X2661, Lennox Evaporative Humidifier Replacement Pad #35 WP2-18 20" x 20" x 5"

20" x 20" x 5"

If you don't have or have accidentally thrown away your plastic frame  - you can purchase a new kit see part # X8304

Lennox HEPA-20

570X & 570XM Humidifiers

X2661, Lennox Evaporative Humidifier Replacement Pad #35 WP2-18 20" x 20" x 5"Original Factory Replacement Water Panel for LENNOX Large Bypass Evaporative Humidifiers: Features: Original Manufacturer Part For Lennox Humidifiers Size: 10 x 13 x 1 1 2 Honeycomb filtration to trap mineral pollutants found in water and help prevent them from entering your home For optimum performance, replace the panel once every 12 months or more often in hard water areas. Also for use with these Brands Models: Aprilaire: 350, 360, 560, 560A, 568,