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The filter fabric is bonded to the individual dimples of the molded polypropylene core to minimize intrusion into the flow channels caused by backfill pressure
The unique dimpled structure creates an air gap that equalizes water vapor pressure above and below the slab
Quality and Craftsmanship
Dimensions: 90" L x 6" W x 36" H
Backflow Preventer Cage – SBBC-40CR dimple board The filter fabric is bondedStrongBox SBBC 40CR is a cold rolled steel backflow preventer cage coated with a performance polymer alloy coating. This enclosure is tube and wire constructed. The SBBC 40CR uses stainless steel hardware and is weather resistant. Dimensions: 39. 5" L x 25. 5" W x 39" H All Strongbox Products are Build America, Buy America Act (BABA) Compliant
