Deal Genius via eBay offers the NitroStrike Mini-Foamer 16-oz. Fire Extinguisher 2-Pack
, model no. MF-16, for $9.99 with free shipping. At $5 per extinguisher, that's $2 lower than our May mention and the lowest total price we could find by $13. These portable fire extinguishers shoot up to 10 feet for up to 25 seconds and feature a biodegradable liquid foam.
Update: Get it directly from Deal Genius and apply coupon code "LOYAL5" to lower it to $9.49 with free shipping.