AirPura 900 / 900 Max Pre-Filter 2-pack is AirPura original replacement MERV 8 rated pre-filter for AirPura 900 and AirPura 900 Max Fume Extractor air purifiers.
AirPura 900 / 900 Max Pre-filter is a first stage of the AirPura 900 / 900 Max air filtration system.
The 1-inch thick MERV 8 media pre-filter is used in AirPura 900 /900 Max to trap particulates in heavy fumes occurring in commercial and industrial environment.
Along with the MERV 13 main particulate filter, the pre-filter provides effective protection to the main filter from faster contamination.
The pre-filter can be vacuumed and easily replaced with new one at a reasonable cost when it gets dirty or ruined.
The pre-filter's lifetime - 3 - 4 months (depending on the usage and the environment).