This Micro Matic Coupler Check Valve is made out of high quality food grade materials and is meant to serve as a replacement part for Micro Matic Sanke "D", "G" & "U" Couplers. It is a one way concave valve and is designed to be installed on the gas side of keg couplers.
Please Note: Do NOT use with another washer installed.
![Micro Matic Sanke "D", "G" & "U" Style Keg Coupler Check Valve [401-038]](http://www.canuckhomebrewsupply.com/cdn/shop/files/22415-1-v2.jpg?v=1750790706&width=1946)
![Micro Matic Sanke "D", "G" & "U" Style Keg Coupler Check Valve [401-038]](http://www.canuckhomebrewsupply.com/cdn/shop/files/22415-2-v2.jpg?v=1750790706&width=1946)
![Micro Matic Sanke "D", "G" & "U" Style Keg Coupler Check Valve [401-038]](http://www.canuckhomebrewsupply.com/cdn/shop/files/22415-1-v2.jpg?v=1750790706&width=1445)
![Micro Matic Sanke "D", "G" & "U" Style Keg Coupler Check Valve [401-038]](http://www.canuckhomebrewsupply.com/cdn/shop/files/22415-2-v2.jpg?v=1750790706&width=1445)