Interesting... I never knew such product(s) existed. There are many brands/types, too. See "Customers Who Viewed This Item Also Viewed" (toward bottom of the page) at http://www.amazon.com/CRC-Liquid-Detector-Tester-Aerosol/dp/B001B3BL0S Ed Popielarski Engineering Manager 970 NE 21st Ct. Oak Harbor, Wa. 98277 Ph: 360-675-1322 Fx: 206-624-0965 Cl: 949-581-6601 https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&spn=0.011188,0.033023&ctz=420&t=m&z=16&iwloc=A -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Subscribe TechNet Tom Granat Sent: Wednesday, August 28, 2013 8:09 AM To: [log in to unmask] Subject: Re: [TN] Blowing Smoke What about Smoke in a can? Used for testing smoke detectors http://www.acehardware.com/product/index.jsp?productId=3604150 ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________