TWF Wall Sleeve Kit TWF wall sleeve kits are designed to fit wall opening for replacement of older 24”x32” wall units where no sleeve was originally installed. TW & TWF Spec-20240801 TWF install-20240801 TWF Sleeve Install 20240801 Related products Through Wall Air ConditionersTWFTWF-Louver Read more Through Wall Air ConditionersTWSTWS-18 Read more Through Wall Air ConditionersTWTW-12 Read more