BestAir CBW9 Bionaire 900 Replacement Wick Filter
Wick filter fits W-0210s, W-0210, W-3040, W-0305, W-0310, W-2, W-2s, W-6, 6s, W-7, W-9, 9s, 9H, W-25, C22, C33, WC-0840, 2845 (900) 2pk