D-Type Coupler - Full Stainless Steel with duotight 5/8" to 8mm push in fittings

D-Type Keg Coupler - Full Stainless with duotight 5/8" to 8mm push in fittings. Commonly referred to as the "Twist On Coupler" Suitable for attaching Carlton Draught, CUB, Fosters & VB Kegs Includes: 1 x - D-Type Coupler with 5/8" Male Beer and Gas threads 2 x - duotight 5/8" duotight to 8mm push in 1 x - Non-Return Ball or Torpedo check piece (Non-Return Liquid) 1 x - Gas Duck Bill valve (Non-Return Gas) How to install Gas Duck Bill Valve Remove black EPDM washer inside 1 of the duotight push in fittings that you will use for gas. The duck bill valve is a washer as well as a non-return check piece. It is optional, you do not have to use the non-return check pieces for gas or liquid. Compatible but not limited to: 4 Pines Bulmers Carlton Draught Cascade Cricketers Arms Crown Lager Fat Yak Great Northern Kingfisher Konig Monteiths Mountain Goat Peroni Pure Blonde