Phresh Duct Silencer 10 in x 30 in-SEPCIAL ORDER ONLY
Sound reducing acoustic foam decreases fan noise by up to 50%. Use with fans in conjunction with carbon filters, light systems and more. Durable and lightweight aluminum body. Compact size is easy to install. Attach a Phresh? Duct Silencer to the intake or exhaust side of an inline fan. Use on both sides for maximum sound reduction.