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

https://codysnicejournal.lowescouponn.com/what-does-a-dual-zone-system-mean-for-thermostats-and-schedules

Thinking about a DIY mini split? These systems use pre-charged R-454B quick-connect linesets, so there’s no need for a vacuum pump or EPA Section 608 license. Plus, plug-in 115V options for 9K and 12K units make installation simple