Parts Oxygen Stone - Stainless Previous40A Solid State Relay Next2" Tri-Clover Complete Element Assy (each) 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 Pinterest0 You Might Also Like 1.5" Tri Clamp Element Wiring Housing $65.00 High Temp O-Ring (fits dip tubes) $4.00 10" Pneumatic Wheel $10.00 Male Quick Disconnect Fitting x 1/2" Female NPT Thread $9.00 Wing Nuts (stainless for plate chiller) Pack of 2 $4.00