Features: Engineered with high precisions threading, this R410 adapter ensures leak proof connections for R32/R22/R454B refrigerants tanks, featuring compliant male/female brass fittings for secure HVAC system maintenance. The corrosion resistant brass construction provide durability across temperature variations, while standardized 5/16" and 1/4" configurations assurance compatibility with industrial and residential refrigeration equipment. Ideal for professionals and enthusiasts, these adapters simplify refrigerants tank installations in both commercial refrigeration systems and residential air conditioning units. Perfect for servicing based cooling units in workshops, industrial plant, or home HVAC maintenance scenarios requiring reliable gas transfer connections. Designed for universal compatibility, these brass refrigerants adapters deliver airtights sealing performances across multiple refrigerants, ensuring safe operation in diverse refrigeration and air conditioning applications. Specifications: Material: Brass Size: Approx. 1.89x0.63inch(4.8x1.6cm) Package Includes: 2x Adapter note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.