3.5" Fortress Kit includes fittings to cover up to a 12-ft lineset run with a 3.5" duct. Conceals and protects exposed refrigeration lineset, electrical cables, telephone wires, and water or drainpipes. Compatible with a variety of air conditioner systems. Fortress lineset covers provide a durable and cosmetically appealing solution for air conditioner unit components; four color options available; satin finish; brush, spray, or roller paintable. Offers efficient installation for new and retrofit system applications. Disassembles quickly for air conditioner component maintenance and inspections. Features snap-together duct style fittings. 3.5" 12' wall duct kit white 92; fortress lineset are PVC, UV stabilized and fire resistant; tested to over 2,000 hours. Components temperature range -4°F to 140°F; 17 fittings assure complete flexibility of installation. FOR THE TRADESMAN: RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning (HVAC/R), plumbing, electrical, and construction markets.