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

https://wiki-byte.win/index.php/Do_I_Need_a_Vacuum_Pump_for_a_Pre-Charged_Mini_Split%3F

Thinking about a DIY mini split install? With pre-charged R-454B quick-connect linesets, you skip the vacuum pump and no EPA Section 608 license is needed. Choose easy 115V plug-in models for 9K and 12K BTU units