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

https://www.slideserve.com/gwyneyxcez/is-the-zone-air-9k-115v-at-1-899-99-a-good-deal-or-too-cheap

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. The 9K and 12K models plug into standard 115V outlets