This durable and reliable wall hanger will ensure that your fire extinguisher is secured until it is needed. Made from Polypropylene, this wall hanger is impact and corrosion resistant. Fits on all Kidde 4.5†diameter disposable Fire extinguishers with gauges that are rated 2A10BC or 3A40BC. A complete list of fire extinguishers this bracket fits with: 21005655 21005757 21005766 21005767 21005771 21005772 21006204 21006210 21006350 21006704 21007160 21007170 21007245 21007265 21007360 21007404 21008364 21008635 21008846 21008850 21008891 21009001