Some states, like Washington , have banned the retail sale of R134a canisters to consumers entirely. Keeping it Cool: The DIY Guide to R134a and EPA Rules
You must be an EPA Section 608 or 609 certified technician to legally purchase bulk tanks. do you need a license to buy r134a refrigerant
The short answer is , but there are some important "fine print" details you should know to stay on the right side of the law (and your car's health). The "Small Can" Loophole for DIYers Some states, like Washington , have banned the