The crevice tool is one of the most useful central vacuum accessories on the market. Its thin profile makes it the perfect tool for getting in between couch cushions, under furniture, and in small cracks. Recently there has been several innovations in the crevice nozzle market. They have come out with flexible tools made to clean out dryer vents and other hard to reach places. The flat crevice tool is designed to fit under the fridge and appliances, leaving you with a dust free home. If you have any questions regarding central vacuum accessories please contact us at our toll free number.