- Equivalent Replacement Aprilaire #10 Water panel
- Healthy Climate Part #X2660
- Fits all Lennox models: WB-12, WB2-12A
- Fits Aprilaire models: 110, 220, 500, 500A, 500M, 550, 550A, 558
- Fits Healthy Climate models: HCWB2-12, HCWB2-12A, HCWB3-12, HCWB3-12A