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Polylok 20″ x 12″ Riser



Polylok one foot tall by 20″ riser. For use with 20″ Distribution Box (Distribution Box purchased separately).  Structural ribs inside prevent frost from adhering to the riser in frost prone areas.  Easy to bring septic access to grade.  Made of High Density Polyethylene which won’t shatter like some Polypropylene risers