Carbon Activated Filter Precut for HPA300 Prefilter Compatible with Honeywell Air Purifier Filter Re Our Goal is to Keep Your Home Smelling Fresh and Clean with our HPA300 Activated Carbon Pre-Filters! Breathing healthier air will have a great impact on your health, so make sure you buy the best quality Carbon Active Pre-Filters manufactured by Filters with advanced technology, so start breathing healthier air today with the premium carbon-activated pre-filters from advanced Filters. About product:Features: fit for air purifier, help filter odors and freshen air Compatible model: Pefect for air purifier models HPA090 HPA100 HPA104 Series air purifiers, these pre-cut filters make it easy and quick to replace old filters. Specifications:Air purifier pre-filter size(LW): 17.2 x 14.2 inchesAir purifier pre-filter thickness: 5 mmMaterial: activated-charcoalQuantity: 6 pieces Package includes:6 x Air purifier pre-filters Replacement:This package includes 6 premium activated carbon pre-filters cut to size, , the carbon pre-filter should be changed every 2-3 months, depending on the amount of usage and environment. Note:Do not immerse or wash the pre-filters in water, as it will wash out the carbon. We created Compact by Design to identify products that, while they may not always look very different, have a more efficient design. With the removal of excess air and water, products require less packaging and become more efficient to ship. At scale, these small differences in product size and weight lead to significant carbon emission reductions. This ItemDekiru Carbon Activated Filter Precut for HPA300 Prefilter Compatible with Honeywell Air Purifier Filter Replacement, Fit for Easy Installation Advanced Filters (6 Pack)RecommendationsHRF-A300 Pre Filter A Replacement for Honeywell HEPA Air Purifier HPA300 Series, 4 Pack Precut Activated Carbon Pre Filter Replacement Compatible with Honeywell Air Purifier