Thinking about a DIY mini split? These systems come with pre-charged R-454B...

https://wakelet.com/wake/LxT-kI2uTDKRKJx9SVeFe

Thinking about a DIY mini split? These systems come with pre-charged R-454B quick-connect linesets, so you skip the vacuum pump and avoid needing an EPA Section 608 license. Plus, 9K and 12K models plug into standard 115V outlets