General description This product is a three-way check valve designed for air compressors. The package includes 2 compressor check valves, each featuring three connection ports, making it an ideal replacement for old air compressor check valves. Technical specifications Dimensions: 45 x 35 x 30 mm Thread sizes: 10 mm, 16 mm, and 20 mm Compatibility and accessories Two male thread ports for pipe connection One female thread port for air pressure tank Compatible with compressor piston pumps Installation Threaded connection for easy installation No tools required for installation Usage Designed for air compressor applications Can replace old or damaged air compressor check valves Other information Made of high-quality copper for durability and rust resistance Excellent workmanship with good corrosion resistance Detachable design for easy internal cleaning High performance and reliability with strong sealing