Aprilaire® In-Line Strainer, For Use With: Aprilaire® 350 Series Humidifiers
Strainer filter fits in to the inlet fitting of the water solenoid valve of your Aprilaire® humidifier which allows water to enter your humidifier. It is designed to keep debris from entering the solenoid valve and clogging it. The Aprilaire® 4004 humidifier strainer component should be cleaned periodically and changed as needed.
