Mister Landscaper MLA-FAS 1/4" Vinyl Faucet Adapter Made in the USA Once this fitting is attached to a hose threaded water source, you can attach the 1/4-in vinyl Tubing To attach the 1/4-in vinyl, push and twist the end of the vinyl onto and over the 1/4-in barb This fitting works with 1/4-in vinyl Tubing that has an inside dimension of 0.140-In ID up to a 0.150-In ID