6 x h13 hepa filter. PERFECT FIT: Compatible with for MA-25 B1/S1/W1 Air Purifier.
LEVOIT Air Purifiers for Large Home Bedroom 83m², CADR 400m³/h, Alexa Enabled, H13 HEPA Filtere, White & Core 400S-RF Air Purifier H13 HEPA Replacement Filter
WESTHEY Genuine HY4866 H13 Hepa Replacement Filter 2 Pack High Efficiency Four Layer Purification Filter Suitable for WESTHEY HY4866 Air Purifier HY4866
H13 HEPA Replacement Filter for U ULTTY Air Purifier Fan, with Medical Coating,
HOSECES H13 HEPA Replacement Filter, Blueair Blue Max 3350i & Pure 311i - 2 Pack
H13 HEPA Replacement Filter Blueair Blue Max 3350i & Pure 311i 2-in-1
