Aprilaire Stock no.45 Two per box - Humidifier Filters Canada
Aprilaire Water Panel 45
Replace each filter each six months for peak performance.
The Aprilaire water panel 45 fits Aprilaire Humidifier models 400, 400A, and 400M
Filter measures: 10” x 12 ¾” x 1 ¾”
Sold as two pack only.