Rehausse 20" x 3" encastrable Polylok matalaairpumps Structural ribs inside prevent frost

Structural ribs inside prevent frost from adhering to the riser in frost prone areas

Polylok risers hold their shape

125/250 VAC

Suspended-growth systems

the Polylok drain box can also accept 6" pipes

Rehausse 20" x 3" encastrable Polylok matalaairpumps Structural ribs inside prevent frostThis 20" Low Profile Riser Pan can be used as a riser or can be cast in to allow for a concrete plug. It accepts additional 20'' Polylok risers to bring to grade. Polylok part number: 3009 LPRP Need risers for your septic system? Make sure you read our guide on how to properly install Polylok risers to know what to do next. Benefits Allows the tank, riser and tank cover to be cast together Working with additional 24'' Risers to be placed at ground