High-Pressure Compatibility with Key Refrigerants : Schrader valve core is engineered to handle high-pressure systems, supporting R410A, R32, and R22 refrigerants—common in both residential and commercial setups. Rated to withstand up to 800 PSI, it performance in AC valve core applications and heavy-duty HVAC systems. Teflon Seal for Leak-Proof Durability : Featuring a precision Teflon seal, this HVAC Schrader valve prevents refrigerant leaks, ensuring system integrity over time. The robust design resists corrosion and wear, making it a long-lasting replacement for worn valve cores in air conditioning units and refrigeration equipment. 50-Pack for Cost-Effective Maintenance : Stock up with 50 Schrader valves to handle multiple repair projects or routine maintenance. This bulk pack eliminates frequent reorders, ideal for professionals managing HVAC valve core replacements or DIY enthusiasts fixing home AC systems. Universal Fit for AC & HVAC Systems : Designed to fit standard Schrader valve ports, this valve core works seamlessly with most air conditioning units, refrigeration systems, and HVAC equipment. Its universal size ensures easy installation without needing specialized tools, compatible with both new and older models. Quick Installation for Efficient Repairs : This AC Schrader valve core is designed for fast, hassle-free replacement—simply use a standard valve core tool to install. Perfect for urgent repairs or scheduled maintenance, it minimizes downtime for AC systems and keeps refrigeration units running smoothly., Manufacturer: Aphohome