BestAir Replacement Water Pad For Aprilaire

Uses up to 50 percent less water. Anti-Microbial helps protect filter from the growth and migration of mold, fungus, algae and bacteria. For best performance, change at least twice per heating season, maybe more depending on water conditions and frequency.Water efficient,Wicking paper water pad,Surface treated with micro free Anti-Microbial coating to protect against contaminants and bacteria,Water Pads are crafted to generate higher output and stronger absorption,Fits models Aprilaire 112, 136, 224, 440, 445, 445A, 448 (12); Chippewa 224, 225, 226; Humid-Aire Neptune; Walton 600, 620, 660