Rectangular Tanks

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

10 Gallon Rectangle Plastic Tank | W-376

10 Gallons 54'' 7'' 6'' N/A W-376
$332.98

15 Gallon Rectangle Plastic Tank | W-328-OR

15 Gallons 48.5'' 10.75'' 7.875'' N/A W-328-OR
$350.98

18 Gallon Rectangle Plastic Tank | W-502

18 Gallons 55'' 13.5'' 6'' N/A W-502
$404.98

24 Gallon Rectangle Plastic Tank | B562

24 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A B562
$427.95

25 Gallon Water or Waste Holding Tank | TRI-WH-2025-2

25 Gallons 60'' 11'' 9'' N/A TRI-WH-2025-2
$359.99

25 Gallon Rectangle Plastic Tank | W-20

25 Gallons 42'' 16'' 10'' N/A W-20
$376.98

25 Gallon Rectangle Plastic Tank | L-5

25 Gallons 48'' 16'' 8'' N/A L-5
$403.98

25 Gallon Rectangle Plastic Tank | B546

25 Gallons 62'' 14'' 7.5'' N/A B546
$348.95

26 Gallon Rectangle Plastic Tank | W-440

26 Gallons 33.5'' 22'' 8'' N/A W-440
$377.98

26 Gallon Rectangle Plastic Tank | B515

26 Gallons 74'' 10'' 9'' N/A B515
$359.95

27 Gallon Rectangle Plastic Tank | W-473

27 Gallons 54'' 25'' 5'' N/A W-473
$511.98

27 Gallon Rectangle Plastic Tank | W-335-OR

27 Gallons 42.5'' 17.5'' 9'' N/A W-335-OR
$385.98

27 Gallon Rectangle Plastic Tank | W-85

27 Gallons 34'' 17.5'' 11'' N/A W-85
$337.98

28 Gallon Rectangle Plastic Tank | W-468

28 Gallons 48.625'' 20.75'' 6.75'' N/A W-468
$442.98

28 Gallon Rectangle Plastic Tank | W-225

28 Gallons 34.25'' 17.5'' 12'' N/A W-225
$345.98

29 Gallon Rectangle Plastic Tank | W-465

29 Gallons 33'' 18'' 13'' N/A W-465
$361.98

30 Gallon Water or Waste Holding Tank | TRI-WH-2030-5

30 Gallons 36'' 15'' 14.5'' N/A TRI-WH-2030-5
$369.99

30 Gallon Water or Waste Holding Tank | TRI-WH-2030-4

30 Gallons 46'' 13'' 12'' N/A TRI-WH-2030-4
$369.99

30 Gallon Water or Waste Holding Tank | TRI-WH-2030-3

30 Gallons 42'' 26'' 7'' N/A TRI-WH-2030-3
$369.99

30 Gallon Water or Waste Holding Tank | TRI-WH-2030

30 Gallons 50'' 20'' 7'' N/A TRI-WH-2030
$369.99

30 Gallon Rectangle Plastic Tank | W-470

30 Gallons 47.5'' 17'' 9'' N/A W-470
$419.98

30 Gallon Rectangle Plastic Tank | B126

30 Gallons 38'' 26'' 13'' N/A B126
$348.95

31 Gallon Water or Waste Holding Tank | TRI-WH-2031-1

31 Gallons 33'' 20'' 11.5'' N/A TRI-WH-2031-1
$369.99

31 Gallon Water or Waste Holding Tank | TRI-WH-2031

31 Gallons 30'' 20'' 12'' N/A TRI-WH-2031
$369.99

32 Gallon Rectangle Plastic Tank | B449

32 Gallons 44.5'' 15.5'' 12.5'' N/A B449
$348.95

32 Gallon Rectangle Plastic Tank | B316

32 Gallons 69'' 11'' 11'' N/A B316
$348.95

33 Gallon Rectangle Plastic Tank | W-30

33 Gallons 32'' 20'' 12'' N/A W-30
$353.98

34 Gallon Water or Waste Holding Tank | TRI-WH-2034

34 Gallons 23'' 20'' 17'' N/A TRI-WH-2034
$375.99

34 Gallon Rectangle Plastic Tank | W-482

34 Gallons 37'' 17'' 13'' N/A W-482
$372.98

34 Gallon Rectangle Plastic Tank | W-234

34 Gallons 48'' 21'' 8'' N/A W-234
$453.98

34 Gallon Rectangle Plastic Tank | B538

34 Gallons 26'' 22'' 20'' N/A B538
$471.95

34 Gallon Rectangle Plastic Tank | B529

34 Gallons 44'' 25'' 8'' N/A B529
$471.95

35 Gallon Water or Waste Holding Tank | TRI-WH-2035-1

35 Gallons 48.75'' 23'' 8.5'' N/A TRI-WH-2035-1
$377.99

35 Gallon Rectangle Plastic Tank | W-322

35 Gallons 28'' 19'' 18'' N/A W-322
$355.98

35 Gallon Rectangle Plastic Tank | W-316-OR

35 Gallons 33'' 28'' 9'' N/A W-316-OR
$404.98

36 Gallon Water or Waste Holding Tank | TRI-WH-2036

36 Gallons 47'' 15'' 13'' N/A TRI-WH-2036
$339.99

36 Gallon Rectangle Plastic Tank | W-503

36 Gallons 32'' 21.5'' 14.25'' N/A W-503
$383.98

36 Gallon Rectangle Plastic Tank | W-469

36 Gallons 48.5'' 20.125'' 9'' N/A W-469
$459.98

36 Gallon Rectangle Plastic Tank | W-3

36 Gallons 48.5'' 14'' 13'' N/A W-3
$435.98

36 Gallon Rectangle Plastic Tank | B428

36 Gallons 46'' 36'' 6'' N/A B428
$347.95

36 Gallon Rectangle Plastic Tank | B383

36 Gallons 32'' 32'' 9.25'' N/A B383
$381.95

36 Gallon Rectangle Plastic Tank | B254

36 Gallons 28.375'' 17.875'' 17.75'' N/A B254
$348.95

36 Gallon Rectangle Plastic Tank | B158

36 Gallons 30.5'' 21.5'' 13.75'' N/A B158
$348.95

37 Gallon Water or Waste Holding Tank | TRI-WH-2037-2

37 Gallons 63'' 16'' 9'' N/A TRI-WH-2037-2
$419.99

37 Gallon Water or Waste Holding Tank | TRI-WH-2037-1

37 Gallons 51.25'' 20.5'' 9.125'' N/A TRI-WH-2037-1
$419.99

37 Gallon Water or Waste Holding Tank | TRI-WH-2037

37 Gallons 38'' 19'' 12'' N/A TRI-WH-2037
$419.99

37 Gallon Rectangle Plastic Tank | W-478

37 Gallons 55'' 24'' 7'' N/A W-478
$531.98

38 Gallon Rectangle Plastic Tank | W-453

38 Gallons 44'' 28.5'' 8.625'' N/A W-453
$503.98

38 Gallon Rectangle Plastic Tank | W-324

38 Gallons 41.5'' 17.75'' 12.5'' N/A W-324
$413.98

38 Gallon Rectangle Plastic Tank | W-202

38 Gallons 37'' 20'' 12'' N/A W-202
$391.98

38 Gallon Rectangle Plastic Tank | B-346

38 Gallons 37'' 28'' 9'' N/A B-346
$381.95

39 Gallon Water or Waste Holding Tank | TRI-WH-2039

39 Gallons 30'' 21.75'' 13.75'' N/A TRI-WH-2039
$422.99

40 Gallon Rectangle Plastic Tank | B432

40 Gallons 28'' 23'' 16'' N/A B432
$384.95

40 Gallon Water or Waste Holding Tank | TRI-WH-2040-5

40 Gallons 32'' 24'' 14'' N/A TRI-WH-2040-5
$409.99

40 Gallon Water or Waste Holding Tank | TRI-WH-2040-4

40 Gallons 45'' 19.75'' 11.75'' N/A TRI-WH-2040-4
$409.99

40 Gallon Water or Waste Holding Tank | TRI-WH-2040-3

40 Gallons 25'' 22'' 18'' N/A TRI-WH-2040-3
$409.99

40 Gallon Water or Waste Holding Tank | TRI-WH-2040-2

40 Gallons 26'' 24'' 15'' N/A TRI-WH-2040-2
$409.99

40 Gallon Water or Waste Holding Tank | TRI-WH-2040

40 Gallons 40'' 19.75'' 12.75'' N/A TRI-WH-2040
$409.99

40 Gallon Rectangle Plastic Tank | W-484

40 Gallons 42'' 23.5'' 10'' N/A W-484
$451.98

40 Gallon Rectangle Plastic Tank | W-443

40 Gallons 42'' 23.5'' 10'' N/A W-443
$451.98

40 Gallon Rectangle Plastic Tank | W-429

40 Gallons 42'' 23.5'' 10'' N/A W-429
$451.98

40 Gallon Rectangle Plastic Tank | W-313

40 Gallons 38'' 25'' 11'' N/A W-313
$439.98

40 Gallon Rectangle Plastic Tank | W-248

40 Gallons 31'' 26'' 11.75'' N/A W-248
$394.98

40 Gallon Rectangle Plastic Tank | W-231

40 Gallons 50'' 19'' 10'' N/A W-231
$471.98

40 Gallon Rectangle Plastic Tank | W-226

40 Gallons 58'' 21'' 8'' N/A W-226
$536.98

40 Gallon Rectangle Plastic Tank | W-205

40 Gallons 58.5'' 16.125'' 10'' N/A W-205
$506.98

40 Gallon Rectangle Plastic Tank | W-17

40 Gallons 41'' 15.5'' 15.25'' N/A W-17
$409.98

40 Gallon Rectangle Plastic Tank | W-1

40 Gallons 58'' 14'' 12'' N/A W-1
$499.98

40 Gallon Rectangle Plastic Tank | B309

40 Gallons 39'' 18'' 14'' N/A B309
$381.95

40 Gallon Rectangle Plastic Tank | B305

40 Gallons 54'' 20'' 9'' N/A B305
$381.95

40 Gallon Rectangle Plastic Tank | B256

40 Gallons 29.875'' 20.875'' 16.625'' N/A B256
$381.95

40 Gallon Rectangle Plastic Tank | B252

40 Gallons 26.5'' 21.25'' 18'' N/A B252
$381.95

40 Gallon Rectangle Plastic Tank | B222

40 Gallons 42'' 26.75'' 9.5'' N/A B222
$381.95

40 Gallon Rectangle Plastic Tank | B221

40 Gallons 23.5'' 23'' 18'' N/A B221
$381.95

41 Gallon Water or Waste Holding Tank | TRI-WH-2041-2

41 Gallons 27'' 20'' 17'' N/A TRI-WH-2041-2
$419.99

42 Gallon Rectangle Plastic Tank | W-204

42 Gallons 42.25'' 27'' 9.5'' N/A W-204
$481.98

42 Gallon Rectangle Plastic Tank | B443

42 Gallons 24'' 24'' 19'' N/A B443
$381.95

42 Gallon Rectangle Plastic Tank | B380

42 Gallons 40'' 26.75'' 10'' N/A B380
$381.95

42 Gallon Rectangle Plastic Tank | B237

42 Gallons 36'' 25'' 12'' N/A B237
$402.95

43 Gallon Rectangle Plastic Tank | W-435

43 Gallons 41'' 16'' 16'' N/A W-435
$422.98

45 Gallon Water or Waste Holding Tank | TRI-WH-2045-2

45 Gallons 39'' 19.5'' 14'' N/A TRI-WH-2045-2
$419.99

45 Gallon Water or Waste Holding Tank | TRI-WH-2045-1

45 Gallons 32'' 22'' 16'' N/A TRI-WH-2045-1
$419.99

45 Gallon Water or Waste Holding Tank | TRI-WH-2045

45 Gallons 27'' 20'' 20'' N/A TRI-WH-2045
$419.99

45 Gallon Rectangle Plastic Tank | B386

45 Gallons 36'' 33'' 10'' N/A B386
$415.95

45 Gallon Rectangle Plastic Tank | B379

45 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A B379
$517.95

45 Gallon Rectangle Plastic Tank | B376

45 Gallons 38'' 22'' 14'' N/A B376
$437.95

45 Gallon Rectangle Plastic Tank | B370

45 Gallons 47.5'' 17.375'' 14.25'' N/A B370
$415.95

45 Gallon Rectangle Plastic Tank | B318

45 Gallons 40'' 19'' 15.625'' N/A B318
$415.95

45 Gallon Rectangle Plastic Tank | B310

45 Gallons 78'' 18'' 8.5'' N/A B310
$415.95

45 Gallon Rectangle Plastic Tank | B216

45 Gallons 78'' 16'' 12.75'' N/A B216
$527.95

46 Gallon Water or Waste Holding Tank | TRI-WH-2046

46 Gallons 45'' 25'' 10.75'' N/A TRI-WH-2046
$425.99

46 Gallon Rectangle Plastic Tank | B544

46 Gallons 35.125" 21.5" 19'' N/A B544
$537.95

47 Gallon Water or Waste Holding Tank | TRI-WH-2047

47 Gallons 61'' 18'' 10'' N/A TRI-WH-2047
$444.99

47 Gallon Rectangle Plastic Tank | B507

47 Gallons 33.25'' 24.5'' 15'' N/A B507
$427.95

48 Gallon Rectangle Plastic Tank | B491

48 Gallons 39'' 27.5'' 11.75'' N/A B491
$559.95

48 Gallon Rectangle Plastic Tank | B229

48 Gallons 68.5'' 27'' 7'' N/A B229
$470.95

48 Gallon Rectangle Plastic Tank | B306

48 Gallons 45.5'' 24.5'' 11'' N/A B306
$485.95

50 Gallon Water or Waste Holding Tank | TRI-WH-2050-5

50 Gallons 54.5'' 22.5'' 10.25'' N/A TRI-WH-2050-5
$454.99

50 Gallon Water or Waste Holding Tank | TRI-WH-2050-4

50 Gallons 30'' 20'' 20'' N/A TRI-WH-2050-4
$454.99

50 Gallon Water or Waste Holding Tank | TRI-WH-2050-3

50 Gallons 58'' 14.5'' 13.5'' N/A TRI-WH-2050-3
$454.99
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