The threading on the cylinder of R410a, R404a R422B, R421a and Nitrogen is a standard 1/4'' SAE. Hydrocarbons cans has a 7/16" fitting.
Our products are designed solely for the purpose of recharging HVAC systems. No other use is approved.
The listed weight is the weight of the refrigerant inside the can. The actual weight will be slightly higher than listed.
All Chem Penn refrigerants are 100% virgin refrigerant.
Our R410a with UV-Dye is designed for residential use.