Designed to reduce operational noise in wet / dry vacuums, the CMXZVBE38660 air muffler and diffuser maintains optimal suction while minimizing motor sound for Craftsmen vacuum compatibility Perfect for workshops, job sites, or home garages, this air diffuser effectively reduces noise pollution during heavy duty cleaning or debris removal tasks Ideal for craft enthusiasts, woodworkers, and construction professional seeking quieter workshop environments without compromising vacuum efficiency This 2.5 inch blower port accessory features a sturdy construction with 2 inch inner diameter and 2.25 inch outer diameter, ensuring precise fitment and long lasting Engineered with a streamlined design, the CMXZVBE38660 seamlessly integrates with compatible vacuums, offering hassle release installation and efficient noise reduction in compact spaces, Manufacturer: HENYGEN