Allegro Industries manufactures an entire line of fully disposable SAR hoods. Designed with the breathing down tube and head suspension completely integrated,productsthese hoods are constructed into a one-piece assembly instead of the standard three-piece construction. This design eliminates the need for decontamination of the breathing tube or replacement parts by allowing the entire hood assembly to be disposed of after contamination. Allegro Industries,, (800) 622-3530. Circle 245