<p>BPA Free, Food Grade Safe Polypropylene (PP), Flow Rate of 1.13  Gallon/ Min</p> <p>Internal 3/8"-18 NPS threads and .05" (1 mm) recess for washer in the back of the flange. Washers are not included</p> <p>Designated for Gravity Feed, No Drips, No Leaks, long lasted Faucet, We also have regular lever and safety locked lever to choose from. </p> <p>Fit most of the water bottle, water dispenser, water cooler, water bucket, watermelon, fruit keg</p> <p>Made in USA, & Our brand is Trademarked</p>