Quick view AY McDonald AY McDonald 2" Q CTS Coupling (Compression x Compression) Compare $183.92 Used to join two pipes. Copper or Copper Tube Size (CTS) Polyethylene "Q" McQuik Compression x Copper or Copper Tube Size (CTS) Polyethylene "Q" McQuik Compression Both ends fit over Copper or Copper Tube Size (CTS) Polyethylene Insert... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List