HomeAll ProductsDRIPLOC STINGER Duct Cleaner Copper Washer, 10 PackCopper crush washer for adjustable arm duct cleaners. These washers fit both STINGER brand heads as well as Mosmatic headsDRIPLOC STINGER Duct Cleaner Copper Washer, 10 PackSKU: AA1330-1$46.00PriceQuantity*Add to Cart