R-134A (HFC-134a) is a versatile, high-performance cooling system widely used in automotive air conditioning, household appliances, self-contained refrigeration units, and commercial chillers. Known for its reliability and consistent performance, R-134A is ideal for both new systems and retrofits. Thread Sizes: 1/2" β Automotive 1/4" β HVAC Key Features & Benefits: Widely used across automotive, residential, and commercial applications Reliable cooling performance Compatible with most automotive and HVAC systems Meets or exceeds industry purity and performance standards Each 30 lb cylinder is brand new, factory sealed, containing 100% virgin cooling system, and meets ARI-700 quality standards.Cylinder brand and color may vary. π Fast, reliable FREE shippingβ Satisfaction guaranteed