Whirlpool Range Hood Wall Canopy Recirculation Kit - Black (W11548459)This Range Hood Wall Canopy Recirculation Kit can be used when venting to the outside is either not possible or not desirable. This recirculation kit with charcoal filters can be used to freshen air and recirculate it back into the kitchen. The kit includes (2) charcoal filters and (4) clips and is designed to be used with 30" Whirlpool wall mount range hood models WVW31430LS, WVW31436LS, WVW53UC0LS and WVW53UC6LS; check to see if your model number is