Robitussin humidifier wick Aftermarket Replacement Filter with antimicrobial agent!
- Aftermarket Replacement Filter.
- Fits Robitussin Cool Moisture Humidifier DH-835.
- Measures approximately 5" H x 4 1/4" ID x 6 1/2" OD x 1" Thick.
- Patented rigid support extended life design.
- For optimum performance, replace filter at the beginning of each season or every 2 months depending on use.
Easy Replacement Instructions
