Whirlpool - 6" Makeup Air Switch Duct Kit - Silver

Improve indoor air quality in your kitchen with this Whirlpool make-up air kit. This kit works with vent hoods that have ventilation greater than 400 cfm. Designed to work with 6-inch ventilation set ups, this Whirlpool make-up air kit improves range hood performance by replacing the air removed when the vent runs on high.