Yr BLUE STAR iin Blue Star's SM Series Quiet Kits are designed to be easily-flitted into circular ducts and are compatible with standard spiral ducts. The SM Quiet Kits are available for 8” and 10” ventilation ducting. SM-08 Muffler & Isolation Clamps for 8” Duct SM-10 Muffler & Isolation Clamps for 10” Duct Faded ia, Guarded. © longing) Shush 5 Tan an Eat SHE we 44 dma ACOUSTIC Dubhe suppression dE fe fsnusnny Har Made! G3 Mr 25H SS wr SOB BEE. EAE Specifications subject to change without notice.