T-TAP RELEASE VALVE. This listing is for over-stock of a manufacturer who imported this component. This components is used for a release valve and is .315" ID (8mm) and .375 OD (9.5mm). Plastic. Made in India. It functions with a horizontal (cross) that moves left/right and opens/closes. These valves have never been used; only in inventory. Non-sterile. Selling in 25 piece lots. $0.85 each. May consider reduced pricing for larger quantity order. Please contact me to discuss. Thank you.