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

https://www.4shared.com/office/wB0H-3Xrjq/pdf-74784-38062.html

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