Ruisita 6 Pack Activated Carbon Replacement Pre Filter Compatible with HB Air Purifier 04383, 04384 and 04386, Thickening Pre Filters

About product:
Features: fit for air purifier, help filter odors and freshen air
Compatible model: for HB Air Purifier 04383, 04384 and 04386, also can trim them to fit different sizes of air purifier.

Specifications:
Air purifier pre-filter size(LW): 11.8 x 5.1 inches
Air purifier pre-filter thickness: 10 mm
Material: activated-charcoal
Quantity: 6 pieces

Package includes:
6 x Air purifier pre-filters

Replacement:
Recommend average is 2-3 months between replacements.
Note:
Filter contain charcoal, please do not rinse.