Compatible with BCM630B BCM630B-CN BCM645 BCM646 BCM646C BCM655 BCM5555 BCM600 BCM6000 BCM6010 BCM6010RC BCM630 BCM7305 BCM7305RC BCM7305RCB BCM7305RC-CN BCM7306 BCM7307 BCM7305 BCM7305RC BCM7305RCB BCM7305RC-CN BCM7931-UM BCM7932P-CN BCM7932-UM BCM7933-UM BCM7934-UM BCM7921 BCM7922 BCM7923 BCM7924. Effectively captures dust, dirt and impurities and helps to trap particles from spreading into the air. Replace regularly for fresh, clean, moist air. For maximum performance change filter every 30 days.