AP300 Replacement Filter Compatible with DBFIT AP300 Air Purifier, 3-Stage Double-Sided Filters for Home Large Room up to 3000sq.ft with Washable Pre-filter, 4 Pack

["✅【Perfect Fit for DBFIT AP300】Designed specifically for the DBFIT AP300 air purifier, ensuring seamless installation and optimal performance (Please check your machine model number before ordering)","✅【3-Stage Filtration System】The washable pre-filter captures large particles like dust and pet hair, the activated carbon layer neutralize household odors and VOCs, and the high-efficiency filter isolation air particles as small as 0.3 microns","✅【Easy Maintenance & Enhanced Filtration】The reusable pre-filter can be easily washed to extend its life. Behind it, an upgraded dual-layer activated carbon filter delivers superior odor control, effectively absorb pet smells, smoke","✅【Regular Replacement】When the filter reaches the end of its service life, the indicator light illuminates, prompting you to replace it. After installing the new filter, press and hold the Reset button for 3 seconds until the indicator disappears from the display. It is recommended to replace your filter every 3 to 6 months to maintain optimal performance","✅【Dedicated Customer Support】Our professional customer service team is available to answer your questions about compatibility, installation, or product performance. We're committed to providing prompt and helpful solutions to ensure your complete satisfaction."]