Daikin 25 Ton Concentric Duct Kit with Step-Down Diffuser - CDK300-530

The Daikin CDK300-350 Concentric Duct Kit with Step-Down Diffuser works with any 25 ton Daikin packaged air conditioner unit. Concentric duct kits are used to help connect rooftop-mounted units with concentric diffusers (step-down diffuser included), thus helping to eliminate the need for traditional duct-work by providing a single location for air to enter and leave the building.