The ultimate in pipe connection flexibility.Suitable for pipe with outside diameter from 0.83 to 1.06" (21-27mm).Coupling accepts following pipe:3/4" PEX3/4" CTS Polyethylene3/4" Copper1/2" and 3/4" PVC1/2" and 3/4" IPS OD PE1/2" Lead1/2 and 3/4" ABS1/2" and 3/4" Galvanized1/2" and 3/4" Stainless SteelFlexible connections - Designed to fit a wide range of different diameters on most materials.Easier and faster to install - Simply witness mark the pipe against the flange on the fitting and then insert the pipe to the correct depth.No special tools are needed. The nut can be tightened using a wrench.No scrap value unlike brass fittings.Lasts longer - Made from advanced thermoplastic materials. Corrosion-resistant, ensuring a long service life (50+ year design life*).Safety - Composite construction means there is no leachate of heavy materials and is completely free of lead. No cuts (no sharp edges).Applications - used extensively for repair work, new installations and upgrades.