Thinking about installing a mini split yourself? DIY systems with pre-charged...

https://bravo-wiki.win/index.php/Is_a_Pre-Charged_Replacement_Lineset_Cheaper_Than_Risking_a_Compressor%3F

Thinking about installing a mini split yourself? DIY systems with pre-charged R-454B quick-connect linesets make it easier—no vacuum pump or EPA Section 608 license needed. Many models, like 9K and 12K, plug into a standard 115V outlet