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

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

Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, you skip the need for a vacuum pump or an EPA Section 608 license. Models like the 9K and 12K even offer simple 115V plug-in options