Whisker Vent Odorless Litter Box Through Wall Venting System The Whisker Vent Litter box system with exhaust hose extension and foam insert for Window Venting The Whisker Vent Litter Box System with Window Venting provides a litter box odor solution with an easy one time installation Utilizing a DC brushless fan motor the Whisker Vent has a continuous flow of air from your Litter Box The foam insert fits snuggly into your window frame eliminating any outside air from coming into your home Litter Box (19 3/4 x 15 3/4 x 16 1/2) with fan assembly, 6 ft. AC power cord, 6 ft. vent hose, 24 in window insert (24 x 3 x 2) with vent tube assembly Will eliminate 100% of your litter box odor guaranteed! No maintenance required 24/7 operation utilizing a brushless DC fan motor Extremely quiet and very efficient Makes the litter box cleaner for your cat and will make the air in your house odor free as well which will help to reduce sickness and trips to the veterinarian