The Mitsubishi MAC-408FT-E mini split filter should be changed once every four months. This filter is made with a special enzyme to break down the bonds in allergen proteins, giving your home or office fresh air while reducing the presence of allergens in the environment. Slim heat pump and air conditioning split systems. Mitsubishi MAC-408FT-E Anti-Allergy Enzyme Filter is a two pack of anti-allergy mini split filters for Mitsubishi Mr. Mitsubishi MAC-408FT-E replacement mini split filter for the following Mitsubishi mini split units: MSZ-GL06NA, MSZ-GL09NA, MSZ-GL12NA, MSZ-GL15NA, MSY-GL09NA, MSY-GL12NA, MSY-GL15NA.įactory Original Mitsubishi MAC-408FT-E Filter!