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

https://www.primary-bookmarks.win/thinking-about-installing-a-mini-split-yourself-diy-kits-with-pre-charged

Thinking about a DIY mini split? These systems come with pre-charged R-454B quick-connect linesets, so you can skip the vacuum pump and don’t need an EPA Section 608 license. The 9K and 12K models plug into a standard 115V outlet