Whirlpool Ventilation Accessories Recirculation Modules W10490330This Range Hood Recirculation Kit can be used when venting to the outside is either not possible or not desirable. The recirculation kit with charcoal filters can be used to freshen air and recirculate it back into the kitchen. This kit can be used across several brands; check to see if your model number is compatible. Kit includes (2) charcoal filters, (1) black vent cover and (2) mounting screws. Installing this accessory will require basic hand