This is brand new and sealed in the factory box. Retails for $264

Manufacturer Description:

The MRCOOL DIY 1/4" x 3/8" Line Sets are pre-charged refrigerant lines designed for easy installation with DIY 6K, 9K & 12K indoor units. These R-454B linesets feature quick-connect fittings and come in 25 ft. The models with "C" designation include a DIY Pro Cable for added convenience. These white linesets with bronze/copper metallic accents are pre-charged with the correct amount of R-454B refrigerant for their respective lengths, making installation simpler for DIY enthusiasts.

Key Features - Pre-charged with R-454B refrigerant

• 1/4" liquid line and 3/8" suction line
• Quick-connect fittings for simple installation
• Models with "C" include DIY Pro Cable
• White with bronze/copper metallic color scheme
• Compatible with DIY 6K, 9K & 12K indoor units
• UV-resistant insulation
• Kink-resistant tubing