Features High-Quality Stainless Steel Material: Crafted from high-quality stainless steel, this air check valve ensures stable performance, excellent airtightness, and resistance to rust, providing long-lasting reliability for your water pipe connection. Accuracy BSPP Female Thread: The precision-engineered BSPP female thread guarantees a secure and slip- connection, making installation effortless and ensuring a reliable for your water pipe connection. Hex Female Thread Design: The hex female thread design facilitates easy installation and removal, offering convenience and flexibility for use in water pipe connections. Multiple Size Options: Available in 1/8in, 1/4in, 3/8in, and 1/2in styles, allowing you to choose the size to suit your specific water pipe connection needs. Versatile Media Compatibility: Suitable for connecting pipes under gas, water, oil, and other media, providing versatility and reliability for various pipe connection applications. Features: 1、 stainless steel material, stable performance, not easy to rust and good airtightness 2、Accuracy BSPP female thread, easy to connect without slipping 3、This is hex female thread air check valve which is easy to install and remove, can be used for water connection 4、Available in 4 styles for choice: 1/8in, 1/4in, 3/8in, 1/2in 5、Suitable for connection of pipes under gas, water, oil and other media Specification: Features: 1. stainless steel material, stable performance, not easy to rust and good airtightness 2. Accuracy BSPP female thread, easy to connect without slipping 3. This is hex female thread air check valve which is easy to install and remove, can be used for water connection 4. Available in 4 styles for choice: 1/8in, 1/4in, 3/8in, 1/2in 5. Suitable for connection of pipes under gas, water, oil and other media Specification: Condition: 100% Brand new Material: 304 Stainless steel Thread: BSPP female thread Optional Style: 1/8in, 1/4in, 3/8in, 1/2in Package List: 1 x Air Check Valve Package List