Where to use it ?<br> Applications include RO system, beverage dispensing, refrigerator ice maker, coffee machine etc.<br><br> How to use it ?<br> Just pop in your 1/4" tubing into tubing end, pushing until it won't go in. To remove, just push in the outer circle on either end and pull right out. You need to make sure the tubing is cut squared to insure no leaks.<br><br> The fitting ensures an easier working environment in confined places, is approved for behind the wall installations, and removes the need for hot works on site. Push-fit plastic fitting for the connection of plastic, copper, and CPVC pipe. Simply push the fitting fully onto the pipe and twist the plastic nut clockwise to lock in place. Installation can be reduced by around 40-Percent when compared to traditional fixing methods.