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

https://www.nav-bookmarks.win/thinking-about-a-mini-split-diy-install-with-pre-charged-r-454b-quick-connect

Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and don’t need an EPA Section 608 license. Plus, 9K and 12K units offer easy 115V plug-in options