As an Amazon Associate, we earn from qualifying purchases. Standard Plumbing Supply - Product: B52 10" CONCRETE EXTENTION OLDCASTLE PRECAST INC. . B52-10 Gallery Attributes Brand name, Manufacturer name, ManufacturerOLDCASTLE PRECAST INC. Extra Product NameStandard Plumbing Supply - Product: B52 10" CONCRETE EXTENTION jsonUrlData1485650 moq, multiple, tierMinQty11 MPN, SKUB52-10 qtyInStock0 tierPrice1159.88 Distributor offers SellerSKUMOQIn stockMultiplePrices standardplumbing.comB52-10111 @ $159.88