Thinking about a DIY mini split install? These systems use pre-charged R-454B...

https://blast-wiki.win/index.php/What_Comes_in_the_Box_with_a_Zone_Air_DIY_Kit%3F

Thinking about a DIY mini split install? These systems use pre-charged R-454B quick-connect linesets, so you skip the vacuum pump and EPA Section 608 license hassle. The 9K and 12K models plug into standard 115V outlets