Commonly referred to as the “Twist On Coupler”, this Commercial Coupler Kit includes dry-break K-Lok fittings for easy installation into an existing draught system with male K-lok fittings.Suitable for attaching Carlton Draught, CUB, Fosters & VB Kegs.Includes:1 x D-Type Coupler with 5/8″ Male Beer and Gas threads2 x K-Lok female x 5/8 female fittings1 x Non-Return Ball or Torpedo check piece (Non-Return Liquid)1 x Gas Duck Bill valve (Non-Return Gas)2 x duotight 5/8″ duotight to 8mm push in fittings are also included as standard.The installation of the non-return ball or torpedo check piece and gas duck bill valve are optional.If the height of the coupler needs to be reduced then a low profile elbow bend can be placed before the k-lok fitting