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

https://zone-air.com/solutions/diy-mini-splits/

Thinking about a DIY mini split? These pre-charged R-454B quick-connect linesets mean you skip the vacuum pump and the need for an EPA Section 608 license. The 9,000 and 12,000 BTU units come with easy 115V plug-in options