Aprilaire Water Panel 10 – Fits Aprilaire Humidifier 500, 500A, 500M, 550, 550A, 558, 110 and 220.
(Package of 2)

White Rogers Humidifier Pads – A04-1725-052 for HFT 2100 For Model HFT 2100 Humidifier
(Package of 2)

Aprilaire Water Panel 45 – Fits Aprilaire Humidifier 400, 400A, and 400M. 
(Package of 2)

Aprilaire Water Panel 35 – Fits Aprilaire Humidifiers 600, 600A, 600M, 700, 700A, 700M, 760, 768, 350, 360, 560, 568.
(Package of 2)

Aprilaire Water Panel 12 – Fits Aprilaire Humidifiers 440, 445, 445A, 112 and 224
(Package of 2)

Totaline Replacement Humidifier Pad – Part #P110- 3545
(Package of 2)

White Rogers Humidifier Pads – A04-1725-051 For Models HFT 2700 and HFT 2900
(Package of 2)

Totaline Replacement Humidifier Pad –  Part# P110-4545
(Package of 2)

LENNOX/HEALTHY HUMIDIFER PAD – Part No. X2661 Humidifier Pad #35
(Package of 2)

GeneralAire GA19 Humidifier Pads
(Package of 2)

Totaline Replacement Humidifier Pad – Part # 110-1045
(Package of 2)