ZLINE Charcoal Filter for 30" Under Cabinet Range HoodsThe ZLINE Charcoal Filter CF RK 30 is designed to provide a superior cooking environment by effectively trapping smoke, grease, and odors right at the source. This charcoal filter is specifically made for 30 inch under cabinet range hoods, enhancing air quality without the need for external ducting. Its professional grade filtration ensures your kitchen remains fresh and comfortable during and after cooking. Available for purchase at LuxHome