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

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

Thinking about installing a mini split yourself? With pre-charged R-454B quick-connect linesets, there’s no need for a vacuum pump or an EPA Section 608 license. Many 9K and 12K models even come as easy 115V plug-ins