Evolution Series Structural Foam Basins

TOPP’s new structural foam basin line — the Evolution E-Series — has been engineered to provide the ultimate blend of durability and design. The result is a rugged structural foam basin with all of the industry leading features you need, at a price you want.

E-series basins are available in diameters up to 30” and accommodate not only E-Series structural foam covers but also TOPP epoxy coated steel and non-skid Fiberglass covers as well.

Standard Features

  • Engineered to incorporate the ultimate blend of value and improved design features into a single platform
  • 180° flat pockets for positive grommet seal
  • Self-tapping hardware – no inserts to corrode or protect
  • No external stacking ribs to interfere with external filtration
  • All covers gas and odor tight with included gasket kit
  • Approved for use in radon mitigation applications
  • Improved design provides increased structural integrity with less material for improved value and ease of handling
  • Accommodates 4” composite inlet hubs
DETAILUS Gallons CapacityUndrilled - No GrommetPerforated - Undrilled
17”x16”15PSB17X16PSB17X16-PERF
18”x22”22E2-2200E2-2200P
18”x24”23E7-1824
18”x30”30E3-2400
24”x24”45E4-3100
24”x30”57E-2430
24”x36”68E5-3200
24”x48”88ESF-24X48F
30”x36”105E6-4100

No Grommet

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