HQRP Humidifier Wick Filter traps impurities in the water and promote a healthier environment. The package contains 2 wick filters.
Compatible with Bionaire C22, C33, W2, W2S, W6, W6H, W6S, W7, W9, W9H, W9S Humidifiers, part 900 / 900CS / 900X Replacement.
Replace your Humidifier Filter about every 2-3 months (under normal use) for optimum performance and maximum humidity output.