Rectangular Tanks
We offer a wide selection of rectangular plastic tanks. At Tank-Mart you will find rectangular tanks of all different sizes and capacities with excellent quality and affordable prices. These rectangular tanks can be used for just about everything including boats, RVs, food service trucks, Industrial equipment and much more. All of our rectangular tanks are made from high quality polyethylene resins which are all FDA approved.
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| Name | Capacity | Length | Width | Height | Diameter | Part # | Price |
|---|---|---|---|---|---|---|---|
18 Gallon Rectangle Plastic Tank | B369 |
18 Gallons | 47.5'' | 11.375'' | 8.5'' | N/A | B369 |
$254.95
|
18 Gallon Rectangle Plastic Tank | B366 |
18 Gallons | 22'' | 17'' | 12'' | N/A | B366 |
$254.95
|
18 Gallon Rectangle Plastic Tank | B235 |
18 Gallons | 40'' | 18'' | 6'' | N/A | B235 |
$254.95
|
18 Gallon Rectangle Plastic Tank | B232 |
18 Gallons | 48.5'' | 10.75'' | 8'' | N/A | B232 |
$254.95
|
18 Gallon Rectangle Plastic Tank | B211 |
18 Gallons | 25'' | 25'' | 7.75'' | N/A | B211 |
$254.95
|
18 Gallon Rectangle Plastic Tank | B159 |
18 Gallons | 20'' | 17'' | 13'' | N/A | B159 |
$242.95
|
19 Gallon Rectangle Plastic Tank | B549 |
19 Gallons | 27'' | 15.25'' | 12'' | N/A | B549 |
$254.95
|
20 Gallon Rectangle Plastic Tank | W-455 |
20 Gallons | 25.5'' | 15.5'' | 14'' | N/A | W-455 |
$211.92
|
20 Gallon Rectangle Plastic Tank | W-430 |
20 Gallons | 30'' | 16'' | 10'' | N/A | W-430 |
$219.92
|
20 Gallon Rectangle Plastic Tank | W-423 |
20 Gallons | 30'' | 14'' | 12'' | N/A | W-423 |
$218.92
|
20 Gallon Rectangle Plastic Tank | W-368 |
20 Gallons | 24.5'' | 15.5'' | 13.5'' | N/A | W-368 |
$203.92
|
20 Gallon Rectangle Plastic Tank | W-95 |
20 Gallons | 30'' | 18'' | 9'' | N/A | W-95 |
$227.92
|
20 Gallon Rectangle Plastic Tank | W-80 |
20 Gallons | 24'' | 17.75'' | 12'' | N/A | W-80 |
$206.92
|
20 Gallon Rectangle Plastic Tank | W-51 |
20 Gallons | 21'' | 17'' | 14'' | N/A | W-51 |
$193.92
|
20 Gallon Rectangle Plastic Tank | L-4 |
20 Gallons | 36'' | 16'' | 8'' | N/A | L-4 |
$243.92
|
20 Gallon Rectangle Plastic Tank | B181 |
20 Gallons | 30'' | 18'' | 10.5'' | N/A | B181 |
$246.95
|
20 Gallon Rectangle Plastic Tank | B137 |
20 Gallons | 29.5'' | 13.25'' | 14'' | N/A | B137 |
$269.95
|
20 Gallon Rectangle Plastic Tank | B257 |
20 Gallons | 18.5'' | 18'' | 16'' | N/A | B257 |
$246.95
|
20 Gallon Rectangle Plastic Tank | B234 |
20 Gallons | 33.25'' | 17.125'' | 8.75'' | N/A | B234 |
$246.95
|
20 Gallon Rectangle Plastic Tank | B233 |
20 Gallons | 21'' | 21'' | 11.25'' | N/A | B233 |
$246.95
|
20 Gallon Rectangle Plastic Tank | B231 |
20 Gallons | 28.25'' | 14.5'' | 11.5'' | N/A | B231 |
$246.95
|
20 Gallon Rectangle Plastic Tank | B227 |
20 Gallons | 20.75'' | 17.75'' | 13.75'' | N/A | B227 |
$246.95
|
20 Gallon Rectangle Plastic Tank | B213 |
20 Gallons | 28'' | 16.125'' | 12.25'' | N/A | B213 |
$269.95
|
20 Gallon Rectangle Plastic Tank | B200 |
20 Gallons | 24'' | 17'' | 12'' | N/A | B200 |
$246.95
|
21 Gallon Rectangle Plastic Tank | W-371 |
21 Gallons | 29.5'' | 20'' | 9'' | N/A | W-371 |
$238.92
|
21 Gallon Rectangle Plastic Tank | W-320 |
21 Gallons | 21'' | 21'' | 12.5'' | N/A | W-320 |
$211.92
|
22 Gallon Rectangle Plastic Tank | W-509 |
22 Gallons | 24'' | 17.5'' | 12.5'' | N/A | W-509 |
$208.92
|
22 Gallon Rectangle Plastic Tank | W-472 |
22 Gallons | 26'' | 18'' | 11.5'' | N/A | W-472 |
$218.92
|
22 Gallon Rectangle Plastic Tank | W-411 |
22 Gallons | 29.5'' | 19.5'' | 9.5'' | N/A | W-411 |
$238.92
|
22 Gallon Rectangle Plastic Tank | B430 |
22 Gallons | 45.5'' | 11.5'' | 11.5'' | N/A | B430 |
$246.95
|
22 Gallon Rectangle Plastic Tank | B276 |
22 Gallons | 23'' | 16.875'' | 14.75'' | N/A | B276 |
$246.95
|
22 Gallon Rectangle Plastic Tank | B128 |
22 Gallons | 34'' | 12'' | 12'' | N/A | B128 |
$246.95
|
23 Gallon Rectangle Plastic Tank | B450 |
23 Gallons | 44.5'' | 12.5'' | 11.5'' | N/A | B450 |
$269.95
|
23 Gallon Rectangle Plastic Tank | B378 |
23 Gallons | 40'' | 18'' | 8'' | N/A | B378 |
$269.95
|
24 Gallon Rectangle Plastic Tank | W-499 |
24 Gallons | 23.75'' | 19.5'' | 12'' | N/A | W-499 |
$208.92
|
24 Gallon Rectangle Plastic Tank | B446 |
24 Gallons | 44'' | 26'' | 6'' | N/A | B446 |
$269.95
|
25 Gallon Rectangle Plastic Tank | B163 |
25 Gallons | 30'' | 20'' | 10'' | N/A | B163 |
$269.95
|
26 Gallon Rectangle Plastic Tank | W-466 |
26 Gallons | 22.75'' | 22'' | 12.5'' | N/A | W-466 |
$229.92
|
27 Gallon Rectangle Plastic Tank | W-85 |
27 Gallons | 34'' | 17.5'' | 11'' | N/A | W-85 |
$261.92
|
27 Gallon Rectangle Plastic Tank | W-31 |
27 Gallons | 21'' | 18'' | 18'' | N/A | W-31 |
$219.92
|
28 Gallon Rectangle Plastic Tank | W-225 |
28 Gallons | 34.25'' | 17.5'' | 12'' | N/A | W-225 |
$268.92
|
28 Gallon Rectangle Plastic Tank | W-45 |
28 Gallons | 27'' | 20'' | 12'' | N/A | W-45 |
$240.92
|
29 Gallon Rectangle Plastic Tank | W-465 |
29 Gallons | 33'' | 18'' | 13'' | N/A | W-465 |
$280.92
|
30 Gallon Rectangle Plastic Tank | W-488 |
30 Gallons | 30'' | 16'' | 15'' | N/A | W-488 |
$249.92
|
33 Gallon Rectangle Plastic Tank | W-237 |
33 Gallons | 30'' | 16'' | 16'' | N/A | W-237 |
$254.92
|
33 Gallon Rectangle Plastic Tank | W-30 |
33 Gallons | 32'' | 20'' | 12'' | N/A | W-30 |
$274.92
|
35 Gallon Rectangle Plastic Tank | W-322 |
35 Gallons | 28'' | 19'' | 18'' | N/A | W-322 |
$275.92
|
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18 Gallon Rectangle Plastic Tank | B369
Ronco Plastics
$254.95Tank Summary Part No. B369 Dimensions 47.5"L x 11.375"W x 8.5" H Weight 19 Capacity (gallons) 18 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$254.95 -
18 Gallon Rectangle Plastic Tank | B366
Ronco Plastics
$254.95Tank Summary Part No. B366 Dimensions 22"L x 17"W x 12" H Weight 18 Capacity (gallons) 18 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$254.95 -
18 Gallon Rectangle Plastic Tank | B235
Ronco Plastics
$254.95Tank Summary Part No. B235 Dimensions 40"L x 18"W x 6" H Weight 22 Capacity (gallons) 18 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$254.95 -
18 Gallon Rectangle Plastic Tank | B232
Ronco Plastics
$254.95Tank Summary Part No. B232 Dimensions 48.5"L x 10.75"W x 8" H Weight 20 Capacity (gallons) 18 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$254.95 -
18 Gallon Rectangle Plastic Tank | B211
Ronco Plastics
$254.95Tank Summary Part No. B211 Dimensions 25"L x 25"W x 7.75" H Weight 17 Capacity (gallons) 18 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$254.95 -
18 Gallon Rectangle Plastic Tank | B159
Ronco Plastics
$242.95Tank Summary Part No. B159 Dimensions 20"L x 17"W x 13" H Weight 16 Capacity (gallons) 18 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$242.95 -
19 Gallon Rectangle Plastic Tank | B549
Ronco Plastics
$254.95Tank Summary Part No. B549 Dimensions 27"L x 15.25"W x 12" H Weight 19 Capacity (gallons) 19 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$254.95 -
20 Gallon Rectangle Plastic Tank | W-455
Custom Roto
$211.92Tank Summary Part No. W-455 Dimensions 25 1/2"L x 15 1/2"W x 14"H Weight 25 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$211.92 -
20 Gallon Rectangle Plastic Tank | W-430
Custom Roto
$219.92Tank Summary Part No. W-430 Dimensions 30"L x 16"W x 10"H Weight 24 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$219.92 -
20 Gallon Rectangle Plastic Tank | W-423
Custom Roto
$218.92Tank Summary Part No. W-423 Dimensions 30"L x 14"W x 12"H Weight 24 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$218.92 -
20 Gallon Rectangle Plastic Tank | W-368
Custom Roto
$203.92Tank Summary Part No. W-368 Dimensions 24 1/2"L x 15 1/2"W x 13 1/2"H Weight 23 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed...$203.92 -
20 Gallon Rectangle Plastic Tank | W-95
Custom Roto
$227.92Tank Summary Part No. W-95 Dimensions 30"L x 18"W x 9"H Weight 25 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$227.92 -
20 Gallon Rectangle Plastic Tank | W-80
Custom Roto
$206.92Tank Summary Part No. W-80 Dimensions 24"L x 17 3/4"W x 12"H Weight 23 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$206.92 -
20 Gallon Rectangle Plastic Tank | W-51
Custom Roto
$193.92Tank Summary Part No. W-51 Dimensions 21"L x 17"W x 14"H Weight 23 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$193.92 -
20 Gallon Rectangle Plastic Tank | L-4
Custom Roto
$243.92Tank Summary Part No. L-4 Dimensions 36"L x 16"W x 8"H Weight 25 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$243.92 -
20 Gallon Rectangle Plastic Tank | B181
Ronco Plastics
$246.95Tank Summary Part No. B181 Dimensions 30"L x 18"W x 10.5" H Weight 20 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$246.95 -
20 Gallon Rectangle Plastic Tank | B137
Ronco Plastics
$269.95Tank Summary Part No. B137 Dimensions 29.5"L x 13.25"W x 14" H Weight 20 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$269.95 -
20 Gallon Rectangle Plastic Tank | B257
Ronco Plastics
$246.95Tank Summary Part No. B257 Dimensions 18.5"L x 18"W x 16" H Weight 18 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$246.95 -
20 Gallon Rectangle Plastic Tank | B234
Ronco Plastics
$246.95Tank Summary Part No. B234 Dimensions 33.25"L x 17.125"W x 8.75" H Weight 21 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$246.95 -
20 Gallon Rectangle Plastic Tank | B233
Ronco Plastics
$246.95Tank Summary Part No. B233 Dimensions 21"L x 21"W x 11.25" H Weight 18 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$246.95 -
20 Gallon Rectangle Plastic Tank | B231
Ronco Plastics
$246.95Tank Summary Part No. B231 Dimensions 28.25"L x 14.5"W x 11.5" H Weight 18 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$246.95 -
20 Gallon Rectangle Plastic Tank | B227
Ronco Plastics
$246.95Tank Summary Part No. B227 Dimensions 20.75"L x 17.75"W x 13.75" H Weight 30 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$246.95 -
20 Gallon Rectangle Plastic Tank | B213
Ronco Plastics
$269.95Tank Summary Part No. B213 Dimensions 28"L x 16.125"W x 12.25" H Weight 18 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$269.95 -
20 Gallon Rectangle Plastic Tank | B200
Ronco Plastics
$246.95Tank Summary Part No. B200 Dimensions 24"L x 17"W x 12" H Weight 20 Capacity (gallons) 20 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$246.95 -
21 Gallon Rectangle Plastic Tank | W-371
Custom Roto
$238.92Tank Summary Part No. W-371 Dimensions 29 1/2"L x 20"W x 9"H Weight 27 Capacity (gallons) 21 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$238.92 -
21 Gallon Rectangle Plastic Tank | W-320
Custom Roto
$211.92Tank Summary Part No. W-320 Dimensions 21"L x 21"W x 12 1/2"H Weight 25 Capacity (gallons) 21 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$211.92 -
22 Gallon Rectangle Plastic Tank | W-509
Custom Roto
$208.92Tank Summary Part No. W-509 Dimensions 24"L x 17 1/2"W x 12 1/2"H Weight 24 Capacity (gallons) 22 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$208.92 -
22 Gallon Rectangle Plastic Tank | W-472
Custom Roto
$218.92Tank Summary Part No. W-472 Dimensions 26"L x 18"W x 11 1/2"H Weight 25 Capacity (gallons) 22 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$218.92 -
22 Gallon Rectangle Plastic Tank | W-411
Custom Roto
$238.92Tank Summary Part No. W-411 Dimensions 29 1/2"L x 19 1/2"W x 9 1/2"H Weight 27 Capacity (gallons) 22 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed...$238.92 -
22 Gallon Rectangle Plastic Tank | B430
Ronco Plastics
$246.95Tank Summary Part No. B430 Dimensions 45.5"L x 11.5"W x 11.5" H Weight 30 Capacity (gallons) 22 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$246.95 -
22 Gallon Rectangle Plastic Tank | B276
Ronco Plastics
$246.95Tank Summary Part No. B276 Dimensions 23"L x 16.875"W x 14.75" H Weight 18 Capacity (gallons) 22 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$246.95 -
22 Gallon Rectangle Plastic Tank | B128
Ronco Plastics
$246.95Tank Summary Part No. B128 Dimensions 34"L x 12"W x 12" H Weight 29 Capacity (gallons) 22 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$246.95 -
23 Gallon Rectangle Plastic Tank | B450
Ronco Plastics
$269.95Tank Summary Part No. B450 Dimensions 44.5"L x 12.5"W x 11.5" H Weight 15 Capacity (gallons) 23 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$269.95 -
23 Gallon Rectangle Plastic Tank | B378
Ronco Plastics
$269.95Tank Summary Part No. B378 Dimensions 40"L x 18"W x 8" H Weight 21 Capacity (gallons) 23 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$269.95 -
24 Gallon Rectangle Plastic Tank | W-499
Custom Roto
$208.92Tank Summary Part No. W-499 Dimensions 23 3/4"L x 19 1/2"W x 12"H Weight 25 Capacity (gallons) 24 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$208.92 -
24 Gallon Rectangle Plastic Tank | B446
Ronco Plastics
$269.95Tank Summary Part No. B446 Dimensions 44"L x 26"W x 6" H Weight 15 Capacity (gallons) 24 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$269.95 -
25 Gallon Rectangle Plastic Tank | B163
Ronco Plastics
$269.95Tank Summary Part No. B163 Dimensions 30"L x 20"W x 10" H Weight 27 Capacity (gallons) 25 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$269.95 -
26 Gallon Rectangle Plastic Tank | W-466
Custom Roto
$229.92Tank Summary Part No. W-466 Dimensions 22 3/4"L x 22"W x 12 1/2"H Weight 27 Capacity (gallons) 26 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$229.92 -
27 Gallon Rectangle Plastic Tank | W-85
Custom Roto
$261.92Tank Summary Part No. W-85 Dimensions 34"L x 17 1/2"W x 11"H Weight 30 Capacity (gallons) 27 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$261.92 -
27 Gallon Rectangle Plastic Tank | W-31
Custom Roto
$219.92Tank Summary Part No. W-31 Dimensions 21"L x 18"W x 18"H Weight 28 Capacity (gallons) 27 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$219.92 -
28 Gallon Rectangle Plastic Tank | W-225
Custom Roto
$268.92Tank Summary Part No. W-225 Dimensions 34 1/4"L x 17 1/2"W x 12"H Weight 31 Capacity (gallons) 28 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per...$268.92 -
28 Gallon Rectangle Plastic Tank | W-45
Custom Roto
$240.92Tank Summary Part No. W-45 Dimensions 27"L x 20"W x 12"H Weight 28 Capacity (gallons) 28 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$240.92 -
29 Gallon Rectangle Plastic Tank | W-465
Custom Roto
$280.92Tank Summary Part No. W-465 Dimensions 33"L x 18"W x 13"H Weight 32 Capacity (gallons) 29 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$280.92 -
30 Gallon Rectangle Plastic Tank | W-488
Custom Roto
$249.92Tank Summary Part No. W-488 Dimensions 30"L x 16"W x 15"H Weight 30 Capacity (gallons) 30 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$249.92 -
33 Gallon Rectangle Plastic Tank | W-237
Custom Roto
$254.92Tank Summary Part No. W-237 Dimensions 30"L x 16"W x 16"H Weight 31 Capacity (gallons) 33 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$254.92 -
33 Gallon Rectangle Plastic Tank | W-30
Custom Roto
$274.92Tank Summary Part No. W-30 Dimensions 32"L x 20"W x 12"H Weight 32 Capacity (gallons) 33 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$274.92 -
35 Gallon Rectangle Plastic Tank | W-322
Custom Roto
$275.92Tank Summary Part No. W-322 Dimensions 28"L x 19"W x 18"H Weight 35 Capacity (gallons) 35 Fitting Drawing CLICK HERE Tank Options Tank Option Build a Tank Option – For an additional fee, fittings can be installed per your...$275.92