MRCOOL MLG450-T-01 Lineguard 4.5" Tan Line Set Cover Kit is a protective HVAC accessory designed to conceal and shield refrigerant line sets, electrical wiring, and drain lines. It works by enclosing exposed lines within a durable cover, protecting them from weather damage, UV exposure, and physical wear while maintaining a clean installation appearance. https://www.partshnc.com/mrcoolr-lineguard-mlg450-t-01