Humidifier Filters
 | Aprilaire model No. 10 (fits Aprilaire models 110, 220 ,500, 550, 558) | Price:$19.00 |
| Aprilaire model No. 12 (fits Aprilaire models 112, 224, 440, 445, 445A) | Price:$21.00 |
| Aprilaire model No. 30 Aprilaire model No. 30 | Price:$21.00 |
| Aprilaire model No. 35 Aprilaire model No. 35 | Price:$26.00 |
| Aprilaire model No. 45 (fits Aprilaire model 400 - contains two pads) | Price:$49.00 |
| General model No. 1099-20 (fits General model 1099) | Price:$35.00 |
| General model 990-13 (fits General models 709, 990, 1040, 1042, 1137, SL16) | Price:$28.00 |
