AllerAir A5FMP911-8 Pre-Filter 8-Pack – Dust, Hair and Lint

A5FMP911-8 pre-filters, 8 per pack The pre-filter is the first layer in the AllerAir AirMedic Pro 5 MG and AllerAir AirMedic Pro 5 Ultra and the one you replace most often. It catches dust, hair, lint and larger debris before they reach the HEPA and carbon filters. How often should the pre-filter be changed? AllerAir recommends every two to three months, and more often in environments with heavy dust or particle exposure. They are sold in packs because the interval is short. What the Pre-Filter Does 8 filters per pack — roughly twenty months of changes at the recommended interval Protects the HEPA — catches larger debris before it reaches the HEPA filter Protects the carbon — AllerAir says it helps extend the life of the main HEPA and carbon filters Keeps airflow up — AllerAir says it helps maintain optimal airflow Tool-free change — no disassembly Service notes Change the pre-filter at every carbon change as a matter of course, and on the two-to-three month cycle in between. Specifications Part Number A5FMP911-8 Filter Type Pre-filter Quantity 8 per pack Stage First stage, ahead of HEPA and carbon Captures Dust, hair, lint, coarse debris Recommended Replacement Every 2–3 months, sooner in dusty rooms Fits AirMedic Pro 5 MG, AirMedic Pro 5 Ultra