Zoro via Rakuten Shopping offers the Kidde ProLine Pro 10MP Fire Extinguisher, model no. 466204, for $54.04 with free shipping. That's the lowest total price we could find by $18. This class A, B, and C fire extinguisher is suitable for trash, wood, paper, liquids, and electrical fires and features a pressure gauge and wall hanger.
Of note, new customers can apply coupon code "SLICK15" to cut it to $39.04.