A hood designed especially for children aged 2 to 12 years offering NBC protection and with the following features: Minimal restriction of a child's normal activities Large impermeable clear hood for excellent unrestricted vision Adjustable head harness and neck strap Total weight only 2 1/2 pounds Built in easy to use drinking attachment Utilizes standard NBC filter cartridge Positive pressure air system which tends to dispel outside contaminants Blower is powered by 4 AA lithium batteries, standard alkaline batteries can be substituted, if required 10 hours normal operating time 10 year shelf life