The SPS model acoustic duct silencers are designed to provide excellent low- and mid-band noise reduction, while the TPM model offers excellent broadband performance at reduced static pressure loss, states the manufacturer. Both are available in 3-foot and 5-foot lengths. The SPS and the TPM rectangular acoustic duct silencers have received the Certified Ratings Seal from the Air Movement and Control Association International Inc. (AMCA).

Ruskin Sound Control, 3900 Dr. Greaves Rd., Kansas City, MO 64030; 816-761-7476; 816-761-0521 (fax);

eProduct #190