Multiple sizes for your convenience Newest R454B refrigerant Quick Connect and Pre Charged. No vaccuming needed. FLARED CONNECTION: Features flared line set connection type for secure and reliable installation between indoor and outdoor units. INSTALLATION ACCESSORIES: Comes with contractor-grade duct tape and all necessary components for a complete professional-looking installation. When it comes to setting up your brand new MrCool VersaPro or Hyper Heat Split System that utilizes R454B refrigerant, there’s no reason to make the process any more complicated than it needs to be. Grab yourself a MrCool No Vac Quick Connect Pre Charged Line Set and keep installation speedy and simple. These kink resistant MrCool Pre Charged Line Sets are already equipped with R454B refrigerant, eliminating the need for vacuuming during setup to save you both time in the process. UV protected insulation ensures these MrCool Quick Connect Line Sets can withstand the outdoor conditions with ease, protecting your system’s performance over the years. Working with any of the R454B MrCool VersaPro or Hyper Heat lineup, you can pick the perfect length to hook up your indoor and outdoor units without having to connect multiple linesets or deal with excess slack in your line set. What else could you need from your new refrigerant line set? Grab this MrCool No Vac Quick Connect Pre Charged Line Set today.