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

https://www.sierrabookmarking.win/thinking-about-installing-a-mini-split-yourself-diy-systems-with-pre-charged

Thinking about a DIY mini split install? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and avoid needing an EPA Section 608 license. Plus, 9K and 12K units offer easy 115V plug-in options