Polytank makes tanks for many different uses and a variety of needs. All our Polytank containers are made of a heavy-duty, chemical-resistant, polyethylene plastic which has a very smooth and slippery surface. The Flat-Bottom, Cylindrical Tanks are round with straight side walls. They are completely self-supporting.

Covers are available for the tanks: PT-200 – PT-242
| Part# | Gallons | Depth | Diameter | Thickness | Pricing |
| PT-200 | 3 qt. | 7″ | 6″ | 3/16″ | $13.10 |
| PT-202 | 3 | 13″ | 9″ | 3/16″ | $26.30 |
| PT-204 | 3 | 13″ | 10″ | 3/16″ | $26.30 |
| PT-206 | 4 | 12″ | 10″ | 3/16″ | $32.80 |
| PT-208 | 6 | 13″ | 13″ | 3/16″ | $32.80 |
| PT-210 | 6 | 20″ | 10″ | 3/16″ | $32.80 |
| PT-212 | 8 | 15″ | 13″ | 3/16″ | $39.40 |
| PT-214 | 10 | 19″ | 13″ | 3/16″ | $45.90 |
| PT-216 | 15 | 21″ | 15″ | 3/16″ | $65.60 |
| PT-218 | 25 | 24″ | 18″ | 3/16″ | $78.80 |
| PT-220 | 30 | 32″ | 18″ | 3/16″ | $98.40 |
| PT-222 | 34 | 36″ | 17″ | 3/16″ | $105.00 |
| PT-224 | 52 | 30″ | 22″ | 3/16″ | $144.40 |
| PT-227 | 95 | 26″ | 35″ | 3/16″ |
| Part# | Gallons | Depth | Diameter | Thickness | Pricing |
| PT-228 | 80 | 48″ | 24″ | 1/4″ | $229.70 |
| PT-228A | 125 | 48″ | 28″ | 1/4″ | $262.50 |
| PT-229 | 110 | 32″ | 32″ | 1/4″ | $295.30 |
| PT-229A | 130 | 32″ | 36″ | 1/4″ | $328.10 |
| PT-230 | 140 | 44″ | 32″ | 1/4″ | $341.30 |
| PT-232 | 150 | 48″ | 30″ | 1/4″ | $360.90 |
| PT-233 | 165 | 48″ | 32″ | 1/4″ | $387.20 |
| PT-234 | 210 | 48″ | 38″ | 1/4″ | $446.30 |
| PT-236 | 275 | 48″ | 42″ | 1/4″ | $492.20 |
| PT-238 | 300 | 46″ | 44″ | 5/16″ | $787.50 |
| PT-240 | 450 | 52″ | 52″ | 5/16″ | $918.80 |
| PT-242 | 500 | 62″ | 52″ | 3/8″ | $984.40 |
| PT-244 | 750 | 60″ | 60″ | 3/8″ | $1,214.10 |