Great value for money: This is a pack of 2 HEPA filter replacements for air purifiers that help effectively filter airborne particles for a healthier life. Dimensions are approximately: 40.64 x 12.70 x 4.43 cm.Compatibility: Compatible with for GermGuardian FLT 4825, 4850, AC4800 Series, Filter B Please note that this is a replacement product, not an product.Premium Air Quality: The "High Efficiency Particulate Air" (HEPA) design will capture very fine air carrier elements.For Professionals: Air purifier filters are built to last for months. Ensure maximum airflow and protect your equipment.Simple Installation: Simple installation; no tools required. Simply remove from the air purifier unit and replace if necessary. For maximum efficiency, it is recommended to replace the filter elements every 6-12 months (depending on air quality and usage).Colour: As shownMaterial: PlasticPackage Contents:2 * HEPA filters2 * Carbon filtersOnly the above package content, other products are not included.Note: Light 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.