Thinking about a DIY mini split install? Pre-charged R-454B quick-connect...

https://tessatopmaid.com/how-do-i-pick-between-wall-mount-cassette-and-concealed-duct-mini-splits/

Thinking about a DIY mini split install? Pre-charged R-454B quick-connect linesets make it simple—no vacuum pump or EPA Section 608 license needed. Plus, the 9K and 12K models have convenient 115V plug-in options. Most installs take 4 to 8 hours