Polylok risers hold their shape, are stackable, screw together, and are water and airtight. Structural ribs inside prevent frost from adhering to the riser in frost prone areas.
Solid 12" Lid (3017-C)
Grated 12" Lid (3017-GE)
Tired of digging to access your system? We've got you looked after!
Have plastic?
- Plastic Risers
- Plastic Replacement Lids
Polylok 12" lid
C$37.50Price
Excluding Sales Tax


















