MasterSeal 975 Drain Board (DBS 6200 ... - Best Materials
MasterSeal 975 Drain Board (formerly Sonoshield DBS 6200). Polypropylene Drain Board System with Cut Protection Layer and fold out overlap flap. Flows 18 GPM/sqft vertical rate. 4 Wide x 50 foot Roll (200 Sq. Ft.). Price/Roll. (mfg #45039725)
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