Aprilaire #10 Water Panel (RP #10)

Fits the Aprilaire model 110, 220, 500, 500A, 500M, 550, 550A, & 558 humidifiers, Lennox WB2-12 bypass humidifier, the Lennox WB2-12 bypass humidifier, and the Trane THUMD300ABA00B and THUMD500APA00B humidifiers. Your humidifier water panel should be replaced at least one time per year to maintain adequate humidifier performance.

Dimensions: 9-1/5" x 9-3/4" x 1-5/8"
Actual Dimensions: 9-1/5" x 9-1/5" x 1 5/8"

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