Watts Quick Connect 1/4 in. Plastic O.D. x O.D. Coupling PL-3000 - The Home Depot

Quick-Connect Fittings – Fresh Water Systems

Works with polyethylene, PEX, or soft copper tube. No tools required for installation or removal. Zero-leak connections. Can be used for hot and cold

Watts 17103000 Aqualock (PL-3000) OD Push Coupling, 1/4-Inch, Plastic

Quick-Connect Fittings – Fresh Water Systems

SharkBite 1/4 in. (3/8 in. O.D.) Push-to-Connect Brass Coupling Fitting U004LFA - The Home Depot

One end connects into 1/4 QC. One end screws into 1/4 NPT male fitting. Corrosion resistant material designed to last. Max pressure: 4000 PSI. Max.

Powerplay Steel Quick Disconnect Plug and Male Metric Fitting, 1/4-In, Corrosion Resistant, for GAS Pressure Washers | PWXA001

QUICKFITTING 3/4 in. Brass Push-to-Connect Coupling Fitting with SlipClip Release Tool (4-Pack) LF821R-4 - The Home Depot

This 1/4 inch OD AquaLock mini coupling works with polyethylene, PEX, or soft copper tubing. It is easy to install, no tools or tube inserts are

Quick Connect 1/4 in. Plastic O.D. x O.D. Coupling

Pfister, Quick Connect Coupling Adapter

Watts Quick Connect 1/2 in. x 1/2 in. Plastic O.D. Coupling PL-3030 - The Home Depot