The Airpura Pre-Filter should be vacuumed from the exterior of the unit once a month and should be replaced at least after 12 months of use. Use the brush attachment on your vacuum cleaner and vacuum slowly around the mesh surface of the filter chamber.

Fits Airpura Models:
R600, UV600, P600, P600+, V600, C600, C600DLX, H600, I600

2 Pack.