RV Holding Tanks

RV Holding Tanks are designed for potable black and grey water holding for motorhomes, trailers, campers, food trucks, tiny houses and more. All of our RV Holding Tanks are rotationally molded in the USA and are resistant to dents, chips, and cracks. 


Our RV black water and grey water holding tanks have the option of pre-installed fittings, can be ordered as a blank tank for DIY fittings, or RV Tank Supply can work with you for customized fittings. Where you can specify your exact filling location and type.

Name Capacity Length Width Height Diameter Part # Price

25 Gallon RV Holding Tank | RVHB250

25 Gallons 23.5'' 23'' 12'' N/A RVHB250
$292.95

25 Gallon RV Holding Tank | RVHB225

25 Gallons 22.5'' 22.5'' 12'' N/A RVHB225
$292.95

25 Gallon RV Holding Tank | RVHB163

25 Gallons 30'' 20'' 10'' N/A RVHB163
$269.95

26 Gallon RV Holding Tank | R-62H

26 Gallons 25'' 25'' 12'' N/A R-62H
$268.95

26 Gallon RV Holding Tank | R-54H

26 Gallons 28'' 22'' 12'' N/A R-54H
$257.95

26 Gallon RV Holding Tank | R-14H

26 Gallons 41'' 25'' 9'' N/A R-14H
$324.95

26 Gallon RV Holding Tank | RVH71W

26 Gallons 38'' 20'' 9'' N/A RVH71W
$246.95

26 Gallon RV Holding Tank | RVH50W

26 Gallons 50'' 16'' 8'' N/A RVH50W
$246.95

26 Gallon RV Holding Tank | RVHB515

26 Gallons 74'' 10'' 9'' N/A RVHB515
$359.95

26 Gallon RV Holding Tank | RVHB406

26 Gallons 60'' 21'' 6'' N/A RVHB406
$303.95

27 Gallon RV Holding Tank | R-72H-1

27 Gallons 38'' 18'' 12'' N/A R-72H
$291.95

27 Gallon RV Holding Tank | R-64H

27 Gallons 30'' 22'' 13'' N/A R-64H
$291.95

27 Gallon RV Holding Tank | R-47H

27 Gallons 43'' 22'' 12'' N/A R-47H
$324.95

28 Gallon RV Holding Tank | R-23H

28 Gallons 53'' 25'' 9'' N/A R-23H
$324.95

28 Gallon RV Holding Tank | RVHB437

28 Gallons 36'' 18'' 12'' N/A RVHB437
$303.95

28 Gallon RV Holding Tank | RVHB273

28 Gallons 20.75'' 19.25'' 17.625'' N/A RVHB273
$325.95

28 Gallon RV Holding Tank | RVHB239

28 Gallons 48'' 14'' 10'' N/A RVHB239
$325.95

28 Gallon RV Holding Tank | RVHB161

28 Gallons 35.5'' 15'' 13'' N/A RVHB161
$303.95

29 Gallon RV Holding Tank | R-27H

29 Gallons 29'' 25'' 13'' N/A R-27H
$291.95

30 Gallon RV Holding Tan | R-39H

30 Gallons 46'' 22'' 9'' N/A R-39H
$347.95

30 Gallon RV Holding Tank | R-22H

30 Gallons 39'' 25'' 12'' N/A R-22H
$347.95

30 Gallon RV Holding Tank | RVH24W

30 Gallons 43'' 16'' 10.5'' N/A RVH24W
$292.95

30 Gallon RV Holding Tank | RVHB424

30 Gallons 40'' 20'' 10'' N/A RVHB424
$303.95

30 Gallon RV Holding Tank | RVHB350

30 Gallons 33'' 20.5'' 11'' N/A RVHB350
$303.95

30 Gallon RV Holding Tank | RVHB162

30 Gallons 30'' 24'' 10'' N/A RVHB162
$303.95

30 Gallon RV Holding Tank | RVHB157

30 Gallons 30'' 20'' 12'' N/A RVHB157
$303.95

30 Gallon RV Holding Tank | RVHB140

30 Gallons 39'' 15'' 12.5'' N/A RVHB140
$303.95

30 Gallon RV Holding Tank | RVHB126

30 Gallons 38'' 26'' 13'' N/A RVHB126
$348.95

30 Gallon RV Holding Tank | RVHB118

30 Gallons 24'' 20'' 16'' N/A RVHB118
$303.95

30 Gallon RV Holding Tank | RVHB112

30 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVHB112
$325.95

32 Gallon RV Holding Tank | R-38H

32 Gallons 36'' 27'' 13'' N/A R-38H
$358.95

32 Gallon RV Holding Tank | RVH69W

32 Gallons 48'' 20'' 8'' N/A RVH69W
$314.95

32 Gallon RV Holding Tank | RVH52W

32 Gallons 60'' 16'' 8'' N/A RVH52W
$314.95

32 Gallon RV Holding Tank | RVH26W

32 Gallons 31'' 23'' 11.5'' N/A RVH26W
$337.95

32 Gallon RV Holding Tank | RVHB449

32 Gallons 44.5'' 15.5'' 12.5'' N/A RVHB449
$348.95

32 Gallon RV Holding Tank | RVHB316

32 Gallons 69'' 11'' 11'' N/A RVHB316
$348.95

32 Gallon RV Holding Tank | RVHB127

32 Gallons 30'' 16.5'' 16'' N/A RVHB127
$325.95

33 Gallon RV Holding Tank | R-79H

33 Gallons 36'' 27'' 13'' N/A R-79H
$358.95

33 Gallon RV Holding Tank | R-68H

33 Gallons 56'' 44'' 8'' N/A R-68H
$448.95

33 Gallon RV Holding Tank | R-15H

33 Gallons 36'' 27'' 13'' N/A R-15H
$358.95

34 Gallon RV Holding Tank | R-20H

34 Gallons 63'' 21'' 9'' N/A R-20H
$358.95

34 Gallon RV Holding Tank | RVHB538

34 Gallons 26'' 22'' 20'' N/A RVHB538
$471.95

34 Gallon RV Holding Tank | RVHB529

34 Gallons 44'' 25'' 8'' N/A RVHB529
$471.95

34 Gallon RV Holding Tank | RVHB381

34 Gallons 34'' 26'' 9.5'' N/A RVHB381
$325.95

35 Gallon RV Holding Tank | R-101H

35 Gallons 62'' 31'' 6'' N/A R-101H
$291.95

35 Gallon RV Holding Tank | R-93H

35 Gallons 34'' 24'' 15'' N/A R-93H
$575.95

35 Gallon RV Holding Tank | R-4H

35 Gallons 54'' 25'' 8'' N/A R-4H
$358.95

35 Gallon RV Holding Tank | R-3H

35 Gallons 39'' 21'' 13'' N/A R-3H
$516.95

35 Gallon RV Holding Tank | RVH45W

35 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH45W
$415.95

35 Gallon RV Holding Tank | RVH34W

35 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH34W
$370.95

35 Gallon RV Holding Tank | RVH2W

35 Gallons 37.5'' 19'' 12'' N/A RVH2W
$314.95

35 Gallon RV Holding Tank | RVH1W

35 Gallons 32.125'' 19.5'' 15'' N/A RVH1W
$314.95

35 Gallon RV Holding Tank | RVHB147

35 Gallons 48'' 17'' 10'' N/A RVHB147
$325.95

36 Gallon RV Holding Tank | R-85H

35 Gallons 52'' 36'' 12'' N/A R-85H
$467.95

36 Gallon RV Holding Tank | R-48H

36 Gallons 35'' 25'' 13'' N/A R-48H
$302.95

36 Gallon RV Holding Tank | R-37H

36 Gallons 35'' 28'' 16'' N/A R-37H
$380.95

36 Gallon RV Holding Tank | RVH38W

36 Gallons Request Drawing Odd Shape Call 800 211-7998 N/A RVH38W
$359.95

36 Gallon RV Holding Tank | RVH7W

36 Gallons 30'' 22'' 14'' N/A RVH7W
$311.95

36 Gallon RV Holding Tank | RVH6W

36 Gallons 48.375'' 14.375'' 13.25'' N/A RVH6W
$314.95

36 Gallon RV Holding Tank | RVHB428

36 Gallons 46'' 36'' 6'' N/A RVHB428
$347.95