CEKER 1/4 Tube Fitting Push Connect Pneumatic Fitting,PC 1/2" Tube Od x 1/4" NPT Thread Male Straight Union Air Fittings Push in Fitting Quick Release ...
KOOTANS 1/4 NPT x 1/4 NPT Male Solid Brass Hex Nipples, Heavy Brass Pipe Adapter Fittings Equal Nipples Connectors 4Pieces
1/4" Tube X 1/8" MNPT Reducing Connector- 316 Stainless Steel