10-10 10PAK #10 for Aprilaire Humidifier 500 550 Water Panel Pad Filter

Aprilaire Models: number 10, 110, 220, 500, 500A, 550, 550A, 558. Colored Spot on Pad. Coated Filter. Product TypeHumidifier Panel. Coated for Proper Water Distribution. Manufactured in USA. Totalline Models: P110-SBP2212, P110-SBP2312, P110-SBP2412.

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