Three-layer filtration system ensures thorough removal of airborne particles for cleaner air
Pre-filter captures large particles to extend the life of subsequent filters
HEPA H13 filter efficiently filters out fine dust, pollen, and allergens
Activated carbon filter eliminates odors and chemical smells
Easy replacement process maintains optimal air purifier performance
Summarized by Shop
Replacement filter for MA-18 Air purifier. This 3-layer filter includes a pre-filter, HEPA H13 filter, and activated carbon filter. All filters should be replaced after 2,500 hours or about three months of use.
Filter Type
3-layer (pre-filter, HEPA H13, activated carbon)
Recommended Replacement Interval
Every 2,500 hours or approximately 3 months
Compatibility
MA-18 air purifier
Filter Count
1 replacement filter per pack
Summarized by Shop
4.6
91 ratings
5
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1
Filter works well and collects plenty of fine dust floating around in the room
Jeffrey · June 21, 2026
Always good arrival time and cleaning process
Rhonda · April 8, 2026
Fit perfectly
I use this small one in the guest room so used off and on. I appreciated it telling me when a new filter was needed since it is rarely used. So easy to switch out refill fits perfectly