Walmart offers the Kidde 1A10BC 2.5-lb. Basic Use Fire Extinguisher 2-Pack for $22.26. Choose in-store pickup to dodge the $5.99 shipping fee. At $11.13 per extinguisher, that's $4 under the per-item price of our October mention and the best deal we could find for the 2-pack today by $8. Buy Now Features contains 2.5 lbs. of dry chemical fire extinguishing agent made from aluminum with a nylon valve assembly easy-to-read gauge & easy-to-pull safety pin