5/16 inch for r-410a applications where 5/16 inch system ports are used
5/16 inch are UL recognized to 4000 psi (276 bar) minimum burst, 800 psi (55 bar) maximum working pressure
Made in the USA

Technical Details

Size (LWH): 4 inches, 1.1 inches, 0.9 inches
Product Details
Product Dimensions: 4 x 1.1 x 0.9 inches
Shipping Weight: 0.23 pounds (View shipping rates and policies)
ASIN : B009AX5XSC