Humidifier Wick Filter for BCM7510 Bionaire (Aftermarket) Bionaire humidifier wick replacement filters with antimicrobial agent! Fits Bionaire humidifier models BCM7510. Measures approximately 4" H x 4 1/2" ID x 6 1/2" OD x 1" Thick. Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home. This is an aftermarket filter.