Polyurethane PU 4mm Material Air Pneumatic Hose for Compressor. Multi-Color Options: Available in Transparent, Black, Blue, Red, and Yellow. Wide Size Range: Sizes from 4mm to 16mm and 1/4" to 1/2" available. High Pressure Resistance: Resists high pressure, vibration, and abrasion effectively. OEM Service Available: We provide OEM service with over 12 years of experience. Fast Delivery: Standard products shipped within 2-3 days after payment. Low MOQ: Minimum order quantity is just 1 piece. ISO Certification: Product certified with ISO standards for quality assurance. Factory Direct: Direct from manufacturer with over 10 years of experience.