1/2" manual stopcock / purge for compressor Made of brass, working pressure 120 psi. Maximum pressure of 200 psi. OTHER SIZES AVAILABLE: - 1/4" BUSINESS HOURS Monday to Friday from 9:00 am to 6:00 pm. SHIPPING POLICIES If you purchase the product before 1:00 pm, it will be shipped the same day. Otherwise, the shipment will be made the next day (if it is possible).