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

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

Thinking about a DIY mini split install? These systems use pre-charged R-454B quick-connect linesets, so you skip the vacuum pump and EPA Section 608 license hassle. You can run 9K and 12K units on simple 115V plug-in options