Thinking about installing a mini split yourself? DIY systems with pre-charged...

https://wiki-aero.win/index.php/Do_Quick-Connect_Mini_Splits_Need_Nitrogen_Pressure_Testing%3F

Thinking about installing a mini split yourself? DIY systems with pre-charged R-454B quick-connect linesets make it easier—no vacuum pump or EPA Section 608 license needed. Many 9K and 12K models plug into standard 115V outlets