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

https://knoxuqsk688.cavandoragh.org/what-does-a-dual-zone-system-mean-for-thermostats-and-schedules

Thinking about a DIY mini split? These systems come with pre-charged R-454B quick-connect linesets so you skip the vacuum pump and EPA Section 608 license hassle. The 9K and 12K models offer easy 115V plug-in setup