SD75 Smoke Grenade - 12 PackThe SD75 High Output Smoke is Canada's largest Consumer Smoke device, delivering an enormous payload of smoke over 90 seconds, with an output higher than that of most Military Smoke Grenades. This Smoke provides unparalleled density and coverage. The SD75 is geared toward Professional use but is on sale to the public. Uses include Military, Law Enforcement, Security, Emergency Training, Special FX Smoke in Film or Television productions, Paintball,