Feature: 1. Manufactured with precise dimensions, the check valve provides reliable sealing performance for air compressor repair. 2. This valve offers excellent resistance to high pressure, corrosion, and high temperatures, ensuring stable operation. 3. Edges and corners are carefully polished with uniform machining, free of burrs and seams. 4. Constructed from cast iron, the straight valve has uniform thickness, resists deformation, and is highly durable. 5. Threaded ports allow for easy installation. Designed to fit the Z-0.036 exhaust pipe of air compressors. Specification: Item Type: Air Compressor Check Valve Material: Cast Iron Function: Air compressor accessory Application: Compatible with Z-0.036 exhaust pipe of air compressor Drive Mode: Pneumatic Valve Hole Specification: Approx. 21 x 16 x 10mm / 0.8 x 0.6 x 0.4in Package List: 1 x Air Compressor Check Valve