Thinking about installing a mini split yourself? With pre-charged R-454B...

https://www.jelly-bookmarks.win/thinking-about-installing-a-mini-split-system-yourself-diy-setups-with

Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and avoid needing an EPA Section 608 license. Models in 9K and 12K come with convenient 115V plug-in options