The John Guest Speedfit Female Coupler Tap Connector Push-Fit 22 mm x 19. 05 mm fitting is for the connection of plastic or copper pipes to a male thread fixture or appliance. The female coupler is ideal for the connection of taps and toilets. Simply push the Push-Fit fitting fully onto the pipe and hand-turn onto the thread. To demount the connection, push the collar towards the body of the Push-Fit fitting and pull the pipe to release. The John Guest Speedfit female coupler tap connector instals up to 40 percent faster than traditional methods and is easier to use in confined spaces because it eliminates the need for hot work and tools.