Trion IAQ 227833-003 Post Filter (16 x 12in)

Note: You will Only receive One filter.

Trion 227833-003 Charcoal After Filter. Trion activated charcoal after filter for electronic air cleaner (HE 1400). Approximate size 12 x 16 x 3/8. This item is an optional accessory that is installed after the electronic collector cells. It is used to absorb odors and must be replaced every 90 days to keep absorbing odors. Once the activated charcoal absorbs all the odor it can hold, it will no longer absorb odor and can not be cleaned and reused. They are sold individually and some units need 2 of them.