3/8" to 1/4" 1/2 inch Drive Ratchet Converter Socket Adapter Reducer Air Imp.L3 | eBay
Frizzlife Brass NPT Thread Pipe Fitting Converter - 1/2 to 3/8 inch Comp Water Supply Angle Stop Valve Adapter for Reverse Osmosis Water Filters(3/8" Male to 1/2" Female and 1/2" Male to