Thinking about installing a mini split yourself? With pre-charged R-454B...

https://nova-wiki.win/index.php/What_is_a_Pre-Charged_Quick_Connect_Mini_Split,_in_Plain_English%3F

Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, you skip the vacuum pump and EPA Section 608 license hassle. Choose 9K or 12K models with simple 115V plug-in power