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【Upgraded Flat Copper Core, Zero Rust & Low Air Resistance】Built with solid cylindrical flat copper core instead of rust-prone tapered iron cores. Copper resists corrosion from road salt and moisture; large through-hole eliminates airflow blockage to maintain full air brake pressure.
【Reliable Self-Sealing Atmospheric Valve】Advanced self-sealing valve delivers airtight connection every use, preventing air leaks and pressure loss. Avoids degraded rubber taper failure common on cheap iron couplers for safer trailer brake operation.
【3-Way Safety Lock Construction】Features lock, anti-retreat and anti-fall integrated nut design. Locks the coupler firmly in place to stop accidental disconnection on rough roads, eliminating dangerous sudden brake pressure loss. Universal 22x1.5 thread fits most heavy-duty trucks and trailers.
【Wide Unobstructed Internal Flow Channel】Smooth transparent internal cavity prevents dirt buildup and clogs, maintaining consistent unrestricted airflow without turbulence or performance drops. Stable concentric structure resists uneven wear after thousands of connects.
【Heavy-Duty Commercial Vehicle Application】Engineered for semi-trucks, flatbed trailers, cargo trailers and fleet maintenance. Far longer service life than traditional tapered iron air couplers, reduces frequent fitting replacements and roadside brake failures.
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