Parts Oxygen Stone - Stainless Previous40A Solid State Relay NextGooseneck Hose Shutoff Oxygen Stone - Stainless Oxygen Stone - Stainless $33.00 Stainless steel oxygen stone1/2” NPT Male Thread x 1/4” BarbStone is 1” long (beyond the threaded portion) Quantity: Add To Cart Facebook0 Twitter You Might Also Like Oxygen Line Connectors (1 pair) $5.00 Wing Nuts (stainless for pump) Pack of 2 $3.00 Wing Nuts (stainless for plate chiller) Pack of 2 $4.00 Dip Tube $6.00 Stainless Steel Gas Flex Connector from $18.00