The Silent Aire blower is high performance/low noise air blower. The Hydro-Quip Silent Aire Spa & Bath Blower has been engineered to provide years of trouble free use provided it is installed following the parameters provided within this installation manual. The Silent Aire blower series offers a sleek, quiet and compact design that makes it the most innovative blower for hot tubs and jetted baths. This product ships in approximately 1 days