Replace your fume extractor filters with the A1001 5-pack of activated carbon filters, designed for use with models 491, 493, FA400, and HJ3008; these filters effectively absorb odors, contributing to a cleaner work environment; each filter measures 5.1 inches x 5.1 inches x 0.4 inches and contains approximately 8 grams of highly activated carbon; the activated carbon composition helps to capture and neutralize airborne particles, improving air quality; easy to replace, these filters ensure optimal performance of your fume extractor; a pack contains five filters, providing a convenient supply for regular maintenance; these filters are designed to absorb up to 80 percent of odors present in the air; maintaining a clean filter optimizes the fume extractor’s efficiency and extends its lifespan; the carbon filters are a cost-effective solution for maintaining air quality in laboratories, workshops, and other environments where fumes and odors are present; regular filter replacement is recommended to ensure consistent performance; these filters are intended for odor absorption and do not provide filtration for particulate matter; ensure proper filter installation according to the fume extractor's user manual; the filter dimensions ensure a secure and effective fit within the designated fume extractor models; the activated carbon is designed for efficient odor control; the 5-pack provides a practical supply for consistent maintenance schedules; filter size is 5.1" x 5.1" x 0.4".