A new product information package on the Spiracoustic Plusâ„¢ round duct liner products is available. The folder includes product information, data sheets on the 1-, 1-1/2- and 2-inch-size items, and a comprehensive installation guide. According to the manufacturer, the Spiracoustic Plus duct liner delivers better, more consistent temperature and acoustical control than that achieved with typical perforated metal double-wall fabrication.

Johns Manville, Product Information Center, Attn: Lawson Davis, 10100 West Ute Ave., Littleton, CO 80127; 800-654-3103; www.jm.com.

eProduct #190