Everbilt 1/4 in. Nylon Compression Sleeve Fittings (3-Pack) 800659 - The Home Depot

Often used between fittings and tubes, each 1/4 in. Compression Sleeve is corrosion resistant. Can be used with copper, brass, aluminum or plastic. Not for use underground.

Sioux Chief 1/4 inch Brass Compression Nut (3-Pack)

Sioux Chief 1/4 inch Plastic Delrin Compression Sleeve with Brass Insert

Everbilt 3/8 in. Compression Brass Sleeve Fittings (25-Pack) 800709 - The Home Depot

Everbilt 1 in. Barb Nylon Splicer Fitting 800269 - The Home Depot

Everbilt 1/4 in. Compression Sleeves and Brass Insert Fittings (2-Pack) 800599 - The Home Depot

Everbilt 3/4 in. Barb x 3/4 in. MIP Nylon Adapter Fitting 800249 - The Home Depot

Everbilt 1/4 in. Nylon Compression Sleeve Fittings (3-Pack) 800659 - The Home Depot

Everbilt 1/4 in. Nylon Compression Sleeve Fittings (3-Pack) 800659 - The Home Depot

Everbilt 1/4 in. Compression Sleeves and Brass Insert Fittings (2-Pack) 800599 - The Home Depot

Everbilt 3/8 in. x 1/4 in. OD Compression Brass Reducing Coupling Fitting 801229 - The Home Depot

Everbilt 1/4 in. Compression Brass Nut Fitting 800629 - The Home Depot

Everbilt 3/8 in. x 1/4 in. OD Compression Brass Reducing Coupling Fitting 801229 - The Home Depot

Everbilt 1/4 in. Brass Compression Nut Fittings (3-Pack) 800929 - The Home Depot