Compression insert set for plastic tube - Master Plumber®

Master Plumber® repair plumbing part - 368 - Compression sleeve/insert set for plastic tube - 1/4"

Emco® handle inserts - New style - Master Plumber®

EASTMAN 48362 Polyethylene Ice Maker Installation Kit with Brass

John Guest Speedfit STS15 Superseal Pipe Insert - 15mm Pack of 50

pipe coupling , plastic conncetor , plumbing fittings socket

7 common Speedfit plumbing and heating questions answered

Can you use compression fittings on plastic tubing? - Quora

ULN299A : Master Plumber 3/8 x 3/8 x 3/8 Retro Fit Tee Adapter

SIOUX CHIEF Compression Nut with Insert - Brass - 1/4 909-070201

A Great Plumbing Pipe Leak Repair Guide For Homeowners

MaxLine 300 Foot 0.75 Inch Compressed Air Tubing Master Kit, Blue

Brass Compression Nut, 1/4 Tube Size

CPVC ASTM2846 Pipe Fitting Male Tee (Copper Thread, brass)

1/4 Brass compression insert is for use with 1/4 OD (outside diameter) plastic pipe like PEX when making compression connections.

1/4 Brass Compression Insert, for 1/4 OD Plastic Tubing