Square and Rectangular Tanks are one-piece and molded of the finest polyethylene available. These tanks, available in a variety of sizes, make optimum use of usable space. They are heavy-duty.
Threaded couplers may be added anywhere on these tanks from 1/2″ – 3″s.

| Part # | Gals. | Length | Width | Depth | Price |
| PT-500 | 6 | 3.5″ | 18″ | 24″ | $52.50 |
| PT-501 | 3.5 | 4″ | 13″ | 17″ | $42.70 |
| PT-502 | 3 | 4″ | 14″ | 14″ | $29.50 |
| PT-504 | 5 | 4″ | 18″ | 18″ | $39.40 |
| PT-506 | 12 | 4.5″ | 24″ | 30″ | $98.40 |
| PT-508 | 16 | 4.5″ | 30″ | 28″ | $118.10 |
| PT-210 | 10 | 5″ | 22″ | 22″ | $59.10 |
| PT-512 | 2 | 6″ | 10″ | 10″ | $23.00 |
| PT-514 | 4 | 6″ | 16″ | 11″ | $39.40 |
| PT-516 | 11 | 6″ | 18″ | 24″ | $164.10 |
| PT-518 | 4 | 6″ | 30″ | 6″ | $131.00 |
| PT-519 | 30 | 5″ | 43″ | 34″ | $105.00 |
| PT-520 | 37 | 8″ | 30″ | 36″ | $45.90 |
| PT-522 | 23 | 8″ | 26″ | 26″ | $65.60 |
| PT-524 | 21 | 10″ | 18″ | 27″ | $131.30 |
| PT-526 | 7 | 12″ | 12″ | 12″ | $45.90 |
| PT-528 | 11 | 12″ | 12″ | 18″ | $65.60 |
| PT-530 | 22 | 12″ | 12″ | 36″ | $131.30 |
| PT-532 | 11 | 12″ | 18″ | 12″ | $52.50 |
| PT-534 | 16 | 12″ | 18″ | 18″ | $78.80 |
| PT-536 | 22 | 12″ | 18″ | 24″ | $111.60 |
| PT-538 | 33 | 12″ | 18″ | 36″ | $131.30 |
| PT-540 | 37 | 12″ | 24″ | 30″ | $150.90 |
| PT-542 | 24 | 12″ | 26″ | 18″ | $118.10 |
| PT-544 | 18 | 12″ | 30″ | 12″ | $105.00 |
| PT-546 | 37 | 12″ | 30″ | 24″ | $150.90 |
| PT-548 | 46 | 12″ | 30″ | 30″ | $183.80 |
| PT-550 | 27 | 13″ | 23″ | 21″ | $124.70 |
| PT-552 | 31 | 13″ | 23″ | 24″ | $131.30 |
| PT-554 | 46 | 13″ | 23″ | 36″ | $170.60 |
| PT-556 | 6 | 14″ | 14″ | 8″ | $52.50 |
| PT-558 | 37 | 14″ | 26″ | 24″ | $150.90 |
| PT-560 | 40 | 14″ | 26″ | 26″ | $157.50 |
| PT-562 | 52 | 14″ | 28″ | 31″ | $170.60 |
| PT-564 | 48 | 14″ | 33″ | 24″ | $229.70 |
| PT-566 | 28 | 15″ | 18″ | 24″ | $131.30 |
| PT-568 | 58 | 15″ | 30″ | 30″ | $229.70 |
| Part # | Gals. | Length | Width | Depth | Pricing |
| PT-570 | 62 | 15″ | 30″ | 32″ | $236.30 |
| PT-572 | 17 | 16″ | 16″ | 16″ | $72.20 |
| PT-574 | 8 | 16″ | 20″ | 6″ | $52.50 |
| PT-576 | 22 | 16″ | 20″ | 16″ | $91.90 |
| PT-578 | 22 | 16″ | 36″ | 9″ | $118.10 |
| PT-579 | 105 | 16″ | 40″ | 38″ | $328.10 |
| PT-580 | 33 | 18″ | 18″ | 24″ | $137.80 |
| PT-582 | 33 | 18″ | 24″ | 18″ | $137.80 |
| PT-584 | 44 | 18″ | 24″ | 24″ | $164.10 |
| PT-586 | 56 | 18″ | 24″ | 30″ | $183.80 |
| PT-588 | 67 | 18″ | 24″ | 36″ | $229.70 |
| PT-592 | 24 | 18″ | 26″ | 12″ | $118.10 |
| PT-594 | 46 | 18″ | 30″ | 20″ | $196.90 |
| PT-596 | 67 | 18″ | 36″ | 30″ | $229.70 |
| PT-598 | 84 | 18″ | 36″ | 30″ | $262.50 |
| PT-600 | 52 | 20″ | 20″ | 30″ | $170.60 |
| PT-602 | 49 | 20″ | 24″ | 24″ | $164.10 |
| PT-604 | 74 | 20″ | 24″ | 36″ | $262.50 |
| PT-606 | 51 | 20″ | 26″ | 23″ | $157.50 |
| PT-608 | 50 | 22″ | 22″ | 24″ | $196.90 |
| PT-609 | 69 | 22″ | 28″ | 26″ | Call for Pricing |
| PT-610 | 75 | 22″ | 22″ | 36″ | $229.70 |
| PT-612 | 44 | 24″ | 24″ | 18″ | $144.40 |
| PT-614 | 59 | 24″ | 24″ | 24″ | $164.10 |
| PT-616 | 89 | 24″ | 24″ | 36″ | $295.30 |
| PT-617 | 78 | 24″ | 26″ | 29″ | Call for Pricing |
| PT-618 | 75 | 24″ | 30″ | 24″ | $262.50 |
| PT-620 | 93 | 24″ | 30″ | 30″ | $295.30 |
| PT-624 | 89 | 24″ | 36″ | 24″ | $262.50 |
| PT-625A | 70 | 24″ | 52″ | 13″ | Call for Pricing |
| PT-625B | 118 | 25″ | 52″ | 21″ | Call for Pricing |
| PT-626 | 111 | 26″ | 32″ | 31″ | $210.00 |
| PT-627 | 58 | 30″ | 30″ | 15″ | Call for Pricing |
| PT-628 | 140 | 30″ | 30″ | 36″ | $295.00 |
| PT-630 | 150 | 30″ | 36″ | 32″ | $315.00 |
| PT-631 | 135 | 32″ | 32″ | 35″ | Call for Pricing |
| PT-632 | 162 | 36″ | 40″ | 26″ | $360.90 |
| PT-634 | 180 | 33″ | 49″ | 24″ | $393.80 |