Filters Fast Logo Header
Free Shipping on orders over $99 | FREE 365-DAY RETURNS

Product Availability

Please provide your e-mail address below to receive a notification when this product becomes available:


Thanks! We'll send you a notification when this product is available!


BestAir CBW9 Replacement For Bionaire 900CS 2-Pack


Only $7.50 per Filter
Retail: $16.99 /ea
You Save: 12%
Buy 1 - 3 for $14.99 ea.
Buy 4+ for $13.99 ea.
As low as
Retail: $16.99
You Save: 12%
in stock
Ships by Tomorrow 12/1/2021
Home Filter Club

Sign up for the Home Filter Club in checkout. You choose how often you want your filter, and we take care of the rest. Home Filter Club
Purchasing for a Business?

Contact [email protected] to gain access to case quantity discounts, account management and terms! Home Business Services

The BestAir CBW9 is the compatible replacement for the Bionaire 900CS Humidifier Wick Filter and fits the following humidifier models:

  • Bionaire W0210
  • Bionaire W0210S
  • Bionaire W3040
  • Bionaire W0305
  • Bionaire W0310
  • Bionaire W2
  • Bionaire W2S
  • Bionaire W6
  • Bionaire W6S
  • Bionaire W7
  • Bionaire W7
  • Bionaire W9
  • Bionaire W9S
  • Bionaire 9H
  • Bionaire C22
  • Bionaire C23
  • Bionaire WC-0840

It can also be used in the Holmes 900 and Holmes 900CS. The BestAir CBW9 compatible humidifier wick filter replacement measures 7.38" x 8.75" x 2.75".

The BestAir CBW9 compatible humidifier filter uses honeycomb filtration to trap mineral pollutants and other particulates found in water. The wick feature humidifies without leaving messy white dust.

For optimal results, the BestAir CBW9 compatible humidifier filter should be changed about twice per season.

BestAir CBW9 Replacement Humidifier Filters 2-Pack specifications:

  • Part Number: CBW9
  • Replaces Part Number: 900CS
  • Honeycomb Filtration
  • Traps Mineral Pollutants
  • 2 Pack- contains 2 wicks
  • Dimensions: 9 inches x 7 inches x 2.5 inches

Compatible Models:

The BestAir CBW9 Replacement For Bionaire 900CS 2-Pack is correct replacement for the following model numbers:

  • W0210s
  • WC-0840