20" x 3" Riser Pan (Green)

This riser pan provides a built in 59 lb. concrete plug for additional safety. This built in safety plug will act as a secondary layer of protection if the riser cover is unknowingly damaged, removed or not put back on. It accepts additional 20'' Polylok risers to bring to grade. Our 20" Low Profile Riser Pan can be used as a riser or can be cast in to allow for a concrete plug. Product Features Allows tank, riser, and tank lid to be poured together Accepts additional 20'' risers to bring to grade for servicing Pan has key-way for positive concrete lid positioning Pan is held in perfect alignment on the inner core of mold with four mold fastening nails for fast installation Patented ring to guarantee watertight and airtight seal between concrete tank and riser Can be used as a 3" riser Makes riser stack stronger Accepts Polylok covers (part numbers 3009-RC & 3017-C20) 59 lb. plug meets ASTM C-1227 standard specification for precast concrete septic tanks