
China Brass Red Cap Automatic 5 Years Guarantee Air Vents. 5-Year Guarantee: Comprehensive 5-year warranty coverage for the automatic air vents. Brass Construction: Made of high-quality brass with plain surface treatment for durability. High Pressure Rating: Rated for 10 bar (150 psi) pressure with rigorous functional testing. ISO Standard Thread: Connection thread complies with ISO228 standard for universal fit. CE & ISO Certified: Passed CE, ISO9001, WRAS, and KIWA certifications for quality assurance. OEM Service Available: Professional OEM service welcome for customized manufacturing needs. Sample Availability: Samples are available upon request for product evaluation. 20+ Years Experience: Over 20 years of industry experience with first-class testing machines.