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

https://www.save-bookmarks.win/installing-a-diy-mini-split-system-just-got-easier-use-pre-charged-r-454b

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