Check the listing for details. 1 - 10 pcs 1/4" NPT 200 PSI Air Compressor Safety Relief Pressure Valve Pop Off. Condition: New. Listed at 7.99 USD. Brand new, certified 1/4" NPT Threaded 200 PSI air compressor / tank pressure safety relief valve. Also known as a "Pop Off" or "Blow Off" valve. This relief valve is manufactured in the United States and is stamped with "UV" & "NB" symbols. The relief pressure of this valve is set at 200 PSI and is accurate within + or - 3% of the set pressure.Specifications:This valve will relieve 173 SCFMValve Inlet Threads: 1/4" Male NPT (measures about 1/2" in diameter)Total Valve Length of 1-3/4"Installtion Wrench Size: 11/16"Features a silicone rubber soft seat relief valve to prevent leaksMax temperature: 250 FSolid Brass ConstructionTop quality made in the U.S.AManufactured by Conrader I ship item out within 24 hours! All packages include a tracking number #! __________________________________________Our 100% Guarantee:If you are not happy with your item please send me an email!I will be sure to address and resolve your concerns and issues to make sure you are happy! PLEASE BE SURE TO LEAVE POSITIVE FEEDBACK ONCE YOU RECEIVE YOUR ITEM!PLEASE DO NOT LEAVE NEGATIVE FEEDBACK WITHOUT CONTACTING ME FIRST AS THIS WILL HINDER THE RESOLUTION PROCESS If you have any questions, please feel free to email us 24 Hours a Day, 7 Days a Week.We will reply you ASAP. If there is no response within 24 Hours, please check the spam in your mail box.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem. _______________________________________ RETURNS: Customer satisfaction is guaranteed!If you receive a damaged or defective item, please contact us and we will issue a full refund and provide a prepaid postage label to return the defective item back to us! Unopened items maybe returned for a refund of the product price within 14 days of the purchase. I'm sorry but we will not be able to refund any shipping and handling charges.