Compression sleeves for plastic tube - 3/8 - Master Plumber®

913360-4 Brass Nut, Acetal Sleeve Compression Nut and Acetal Sleeve, 5/16 Tube Size

Aquifer Distribution Fairview 360-6-1000 Flexible Tube, 1/4 in ID x 3/8 in OD x 1000 ft L, 0.062 in THK Wall, LDPE, Domestic

Brass Tube Compression Fittings 1/8 1/4 3/8 1/2 Straight Copper Fittings 4 6 8 10 12 14 16mm Compression Fittings - AliExpress

Compression fitting - Union - Master Plumber®

Dial Brass Evaporative Cooler Compression Sleeve in the Evaporative Cooler Accessories department at

JEGS 555-100845: -6 AN to Straight 3/8 in. Hose Barb Adapter Fitting, -6 AN Female to 3/8 in. I.D. Hose, Aluminum, Blue Anodized Finish

Jones Stephens Compression Sleeve Puller 1/2 Removal Tool in the Plumbing Wrenches & Specialty Tools department at

Three piece construction - nut, sleeve and body with attached insert Use with copper, brass, aluminum, or plastic tubing Standard fittings use short

Anderson Metals Brass Compression Tube Fitting, 90 Degree Elbow, 3/8 Tube OD x 1/2 NPT Male Pipe, (50069-0608), Copper

Aquifer Distribution Master Plumber 441B 1-Piece Faucet Locknut, Plastic

Master Plumber Straight Supply Stop Valve, 1/2 FIP x 3/8, Chrome-171340-NEW