General description High-quality air compressor breather stem. Compatible with most piston air compressors. Made from high-quality engineering plastic, resistant to corrosion and aging. Compact structure, easy to install and use. Stable performance and long service life. Technical specifications Item type: Breather stem Material: Engineering plastic Function: Air compressor breather, vent cap, anti-oil injection, breather valve Male thread: 9 mm / 0.35 in Height: 37 mm / 1.46 in Thread: 10x1 Other information Package includes: 5 x Breather stem