Drain Spud is the Plastic Fitting that Attaches to the Base of the Housing of Your Humidifier

It is Designed to Connect to a 1/2 Inch Inner Diameter Drain Hose

Genuine Aprilaire humidifier replacement part

Ensures that the right amount of humidity is delivered into your home

Controls how much moisture enters your humidifier, making it possible to maintain proper humidity levels throughout your home

Compatible with Aprilaire humidifiers models 400, 500, 600 and 700

HVAC Equipment Clean

Produces No Ozone Because it has No Moving Part

Requires Maintenance Just Once a Year

Air Purifiers are So Effective at Removing Particles and Contaminants

Patented water distribution system for maximum evaporative performance

Shut-off damper

The Unitized Frame Maximizes Pad Life and Humidifier Reliability

The Evaporator Pad is Coated with a Superior Wetting Agent to Increase Humidifier Efficiency