MRCOOL DIY 5th Gen Multi-Zone 4-Zone 48,000 BTU 22 SEER2 (12K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes Build Your Single Zone Mini-Split you will need the RectorSeal

you will need the RectorSeal 81981 CO₂ Refill Cartridges (12-Pack)

vacuum pumps

Power outage auto-restart restores your settings instantly after outages

reliable comfort without unnecessary system oversizing

Also included is a matching 35 ft

MRCOOL DIY 5th Gen Multi-Zone 4-Zone 48,000 BTU 22 SEER2 (12K + 12K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes Build Your Single Zone Mini-Split you will need the RectorSealMRCOOL DIY Multi Zone 5th Gen 48K BTU Four Zone Ductless Mini Split with Ceiling Cassettes 12K + 12K + 18K + 18K A Heating and AC System You Can Install By Yourself! MRCOOL DIY Series Ceiling Cassettes provide efficient heating and cooling while remaining out of sight and discreet, making them a perfect fit for any space. The cassette features an easy, low profile installation and can be recessed between all types of joists on 16 inch center including