The Watts AquaLock 1/4-Inch Push Tee, PL-3003 allows for efficient repairs and installations without the use of tools. The patented O-ring guide ensures zero-leak connections by correctly aligning tubing, protecting the O-ring from damage and boosting side load capacity. Corrosion-resistant stainless steel gripping teeth allow for close interlocking with multiple materials This fitting incorporates stainless steel gripping teeth in the collets. These corrosion resistant teeth allow the connectors to interconnect with multiple materials without the need for special tools. It works with copper, CPVC, and PEX (LDPE, MDPE, HDPE) tubing.