The Checker Nebulizer is perfect and ideal for children. The unit comes in an attractive cab design which appeals to children. The filter is easy to replace and is located under the front hood of the cab, while the electrical cord is located under the rear hood of the cab. The Checker Nebulizer is very quiet during operation but has a powerful, dependable piston powered pump. The Nebulizer comes complete with ampule, mouth piece, pediatric aerosol mask, tubing, two replacement filters and instructions.