Tjernlund's new resource CD contains thousands of pages of information, including brochures, spec sheets, performance curves, installation/service instructions, wiring diagrams, parts breakdown/cross reference, product photos, and more. Bonus features include draft and combustion air Power Point presentations, and combustion air videos. covers our full line of Draft Inducers, Wall Vent Systems, Combustion Air In-ForcersTM, Duct Booster® Fans, and Electronic Air Cleaners. www.tjernlund.com; 800/255-4208. — Tjernlund Products, Inc.