- Specifications
- Description
AprilAire 4788 Maintenance Kit With Water Panel 45 For Humidifier Models 400, 400A, 400M
ATTENTION: This kit is NOT compatible with AprilAire Humidifiers 440 or 445
This annual maintenance kit is for the Aprilaire 400 humidifier - not the 440, 445, 445A or 448.
It includes the #45 water panel, the in-line strainer, yellow orifice and scale control insert.
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