The Bionaire 611DCS has been discontinued. For a more economical replacement try the Bionaire 611D R filter.
The Bionaire 611DCS Dual Filter Cartridge is the correct replacement for the following:
The Bionaire 611DCS dual air filter cartridge is for use with your Bionaire model air purifier. This dual air purifier filter includes both a main and carbon filter for better air filtration. The carbon and air filter work together to remove harmful particulates as well we neutralizing unpleasant smells from your homes air.
Bionaire 611DCS Dual Filter Cartridge Specifications:
The Bionaire air filter is a long lasting filter replacement that only needs to be changed every 3 to 6 months. The Bionaire 611DCS dual filter replacement will keep your air purifier working at its best and keep harmful contaminants out of the air that you breathe.