This Hamilton EPO34 Compatible Humidifier Filter Replacement is a replacement humidifier filter pad for Hamilton humidifier models 4D, 200D, 400D, 800D, 98, 310, and 4000.
The Hamilton EPO34 Humidifier Filter Replacement is a replacement humidifier filter belt (or evaporator pad) for several models of Hamilton humidifiers. The EPO34 filter pad measures approximately 7.5" H x 26.5" L x 1" W and features high output performance.