MRCOOL 454B DIY Pre-Charged Line Set is equipped with simple to use, leak proof, and screw-on quick connect valves that do not require vacuuming, special tools, equipment, or training. The line set is available in 16' and 25' options, and can be combined using optional DIY® Couplers for longer lengths. Includes DIYPro™ cable - a stronger electrical conduit that protects your cables from the weather and from gardening tools.

3/8" Liquid Line
5/8" Gas Line
DIYPro™ Cable

- Simple to Use, Leak Proof, and Screw-on Quick Connect.
- Valves do not require vacuuming.
- Quicker Installation than Conventional Line Sets.
- Kink resistant for easier bending during installation.
- 100% accurately pre-charged R-454B refrigerant.
- Strong UV protective insulation provides extra protection against sun damage, weather erosion, or destruction from animals or insects.
- DIYPro™ cable - a stronger electrical conduit that protects your cables from the weather and from gardening tools
454B Refrigerant.