Application: G style plugs are Fits for applications that require more than 60 SCFM Function: Connection 1/2 Inch female national pipe thread,Max inlet pressure of 300 pounds per square inch,Air flow of 99 standard cubic feet per minute,Max Temperature 250° F Replaces part numbers: S-1818,Products include 1/2" FNPT G style plugs 5pcs Durable: Made of case hardened steel,High hardness. Durable and rust resistant Satisfaction Guarantee - If you are not completely satisfied with our product, simply return it within 30 days to receive a complete refund. The warranty period is 12 months. Should you have any questions about our product, our customer service team is always ready to assist you. S-1818 1/2" FNPT G Style Plugs 5pcs For require more than 60 SCFM