View 2 of **SEE NOTES**Aprilaire 4788 Humidifier Maintenance Kit with Water Panel Model No. 45 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 400, 400A, 400M

Double tap image to zoom

View 1 of **SEE NOTES**Aprilaire 4788 Humidifier Maintenance Kit with Water Panel Model No. 45 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 400, 400A, 400MView 2 of **SEE NOTES**Aprilaire 4788 Humidifier Maintenance Kit with Water Panel Model No. 45 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 400, 400A, 400MView 3 of **SEE NOTES**Aprilaire 4788 Humidifier Maintenance Kit with Water Panel Model No. 45 Humidifier Replacement Filter for Aprilaire Whole Home Humidifier Models: 400, 400A, 400M