As an Amazon Associate, we earn from qualifying purchases. Standard Plumbing Supply - Product: 10" CNCRTE EXTENSION OLDCASTLE PRECAST INC. . B48EXT Gallery Attributes Brand name, Manufacturer name, ManufacturerOLDCASTLE PRECAST INC. Extra Product NameStandard Plumbing Supply - Product: 10" CNCRTE EXTENSION jsonUrlData1485634 moq, multiple, tierMinQty11 MPN, SKUB48EXT qtyInStock0 tierPrice1138.83 Distributor offers SellerSKUMOQIn stockMultiplePrices standardplumbing.comB48EXT111 @ $138.83