Looking to install a mini split yourself? DIY kits with pre-charged R-454B...

https://zone-air.com/solutions/diy-mini-splits/

Looking to install a mini split yourself? DIY kits with pre-charged R-454B quick-connect linesets make it simple—no vacuum pump needed and you don’t need an EPA Section 608 license. Plus, 9K and 12K units come with easy 115-volt plug-in options