As an Amazon Associate, we earn from qualifying purchases. Standard Plumbing Supply - Product: 18 x 18 x 8-damper Spiral Galv Tee CLIFCO SHEET METAL MFG . SPT18188D Gallery Attributes Brand name, Manufacturer name, ManufacturerCLIFCO SHEET METAL MFG Extra Product NameStandard Plumbing Supply - Product: 18 x 18 x 8-damper Spiral Galv Tee jsonUrlData297587 moq, multiple, tierMinQty11 MPN, SKUSPT18188D qtyInStock0 tierPrice1157.84 Distributor offers SellerSKUMOQIn stockMultiplePrices standardplumbing.comSPT18188D111 @ $157.84