Parts Male Quick Disconnect Fitting x 1/2" Male NPT Thread PreviousMale Quick Disconnect Fitting x 1/2" Female NPT Thread NextIn-Line Oxygen Package Male Quick Disconnect Fitting x 1/2" Male NPT Thread Male Quick Disconnect Fitting x 1/2" Male NPT Thread $9.00 Add To Cart Facebook0 Twitter Pinterest0 You Might Also Like Wing Nuts (stainless for pump) Pack of 2 $3.00 Oxygen Line Connectors (1 pair) $5.00 Weld Ferrule $6.00 90 Degree Stainless Elbow 1/2" FPT $6.00 1/2" Male / 1.5" TC Fitting $12.00