Double-Wall Poly Tanks

Superior Dual Containment Poly Tanks are built tough for long-lasting performance in any environment. UV-resistant and designed to withstand harsh weather, they’re ideal for both indoor and outdoor use.

The innovative “tank-in-a-tank” design ensures safe, compliant storage and dispensing of your liquids. Standard features include a pump mounting platform, integrated overflow dikes, a vented lid, and threaded fittings—delivering years of reliable, low-maintenance service.

Standard Features
  • Tanks made from Linear Polyethylene (LPE) are ALS Group USA, Corp. NSF/ANSI/CAN 61 Certified & meet or exceed secondary containment requirements under EPA’s 49 CFR regulations
  • Heavy Duty Construction – 1.5 Specific Gravity for a wide range of products
  • Available in Natural white or blue
  • Available in both round and square configurations, 40 -175 gallons & up
  • Standard accessories like suction tubes and level indicators plus more available
Specs - Round
Capacity (Gallons)DimensionsPart NumberDrawing PDF
4022x42.5 2902-0001 View
6527x47 2902-0002 View
12033x47 2902-0003 View
16034x68 2902-0004 View
Specs - Square
Capacity (Gallons)DimensionsPart NumberDrawing PDF
4020x20x37.25 2903-0001 View
7024x24x41 2903-0002 View
12032x32x50 2903-0003 View
17535x35x57 2903-0004 View
Poly_Double_wall_round-square_group