Aulnay Aluminum Electrostatic Air Filter (18" x 24" x1"), Furnace Central AC Filter, Washable Metal HVAC Air Filter

5 layers design with 3 layers heavy duty aluminum and 2 layer high density static electricity nylon, we recommend washing the filter every 3 months to keep the filtration in performance.. Washable air filter can last a long time, the most economical option for air filter replacement. MERV 8 Rating, the perfect choice for furnace, A/C, Central HVAC Systems. Aulnay aluminum air filter with static electricity filter airborne particles such as lint, dust, and pet dander to improve your home's ventilation efficiency