COMPATIBLE MODELS: Specifically designed for Instant AP200 Medium Machines, these H13 True HEPA Replacement Filters are perfect substitutes for the F200 Filter. your air purifier operates at performance with these compatible filters. ADVANCED FILTRATION TECHNOLOGY: Capture up to 99.97% of harmful particles as small as 0.3 microns with the H13 grade True HEPA filter. This advanced filtration technology helps protect against common airborne irritants that can cause sore throats and other respiratory issues. USER-FRIENDLY REPLACEMENT: These filters are designed for hassle-free, no-tool replacement. Easily maintain your air purifier's efficiency without needing professional help or complicated tools, saving you time and effort. MAINTENANCE RECOMMENDATION: For optimal performance, we advise replacing the filter every 6-8 months, depending on your usage and environmental conditions. Regular replacement helps maintain air quality and purifier functionality. The product appearance depending on the batch, but this does not affect use Specification:2Pcs Colour:As Shown Material:plastic Package Contents: 2 x Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.