Description:3 Way Air Compressor Spare Parts Male Female Threaded Check Valve Tube ConnectorSpecifications:          Material: Brass           Color: Golden           #1 Thread Diameter(PT1\/2*1\/2): 11mm\/0.43"    16mm \/ 0.63"    18mm \/ 0.71"                #2 Thread Diameter(PT1\/2*3\/4UNF): 11mm\/0.43"    18mm\/0.71"    18mm\/0.71"                Hex Head Size: 23mm\/0.91"                Total Size(L*W):    (PT1\/2*1\/2) 50*45mm\/1.97*1.77"    (PT1\/2*3\/4UNF) 50*50mm\/1.97*1.97"   Features:- Excellent replacement for the old or broken check valve of your air compressor.- The three male thread connectors are respectively for tube connecting、 air pressure tank and compressor piston pump.- Convenient to install with the thread connecting ends.- Compressive strength、 corrosion resistance、 high performance and high reliability.- Fast and easy to install、 does not require any tools.Note: Please pay attention to the item style order : #1: PT1\/2*1\/2; #2: PT1\/2*3\/4UNF. Hope you will choose the one you need、 thank you:)Package Includes:1 x Air Compressor valveMore Details: