This 18" Diameter dancing inflatable Air Dancer blower is the premier blower for air 20 Ft dancers and all inflatables and is water Resistant. The design and construction allows for users to run their Sky Dancer in most weather conditions . Taking the most desirable design principles from the original Air Dancer blower, this is the most heavy-duty and longest lasing blower on the market. Utilizing hundreds of customer feedback notes, we have designed an inflatable blower specifically for the business minded customer who insists upon driving as much traffic and attention to their business as possible.