The Slim Duct SDD75 3' X 78-3/4' (per Length) delivers reliable, consistent performance as a line set cover suited to neatly concealing and protecting refrigerant piping runs. Designed with reliability in mind, it installs easily and performs consistently in both residential and commercial settings. Quality-checked for dependable performance, it offers excellent value without compromising on reliability. Whether you are an HVAC technician, contractor, or hands-on homeowner, this line set cover is an essential addition to your ducting and ventilation supplies. Order today and keep your air-conditioning or refrigeration system running at its best.