Brass Compression Fitting Ferrule Sleeve,1/2 Tube OD (50pcs): : Industrial & Scientific

LTWFITTING 1/8-Inch Brass Compression Sleeves Ferrels,Brass Compression Fitting(Pack of 50): Compression Fitting Ferrules: : Industrial & Scientific

Nut and Ferrule Set (1 Nut/1Front Ferrule/1 Back Ferrule), Spare Parts and Accessories, Tube Fittings and Adapters, Fittings, All Products

Ruikarhop 150PCS Tube OD（1/4 3/8 1/2) Brass Compression Sleeves Ferrules,Brass Compression Fitting Assortment Kit

Can you use compression fittings on plastic tubing? - Quora

Taiss 25ft Silver Auto Brake Line Tubing Kit Replacement, Brass Plated Alloy Oil Pipe Diameter 3/16, With 16PCS Iron Pipe Fittings - Yahoo Shopping

Everbilt 1/2 in. Compression Brass Sleeve Fittings (3-Pack) 801169 - The Home Depot

AC Pipe Joint Connectors, Free Welding Brass Pipe Coupler Adapters for Air Conditioning Copper Pipe Connection, including 2Pcs Flare Nuts, Works for Butt Copper Tube Diameter 5/8 (15mm to 16mm) - Yahoo

Tube Od Brass Compression Sleeve Ferrule 6/8/10/12mmbrass - Temu Canada

LTWFITTING 1/8-Inch Brass Compression Sleeves Ferrule with 1/8-Inch Compression Nut, Brass Compression Fitting(Pack of 75) : Industrial & Scientific

5PCS 6mm 8mm 10mm 12mm 14mm 16mm Brass Ferrule Compression Sleeve Seal Ring Fit Tube Pipe Fitting For Lubrication System