?? Avon GTR70 (S10-Pattern) Training Respirator with 1987 Dated Bag & Filter. Authentic Cold War-era British Avon GTR70 training respirator, built on the same pattern as the iconic S10 used by the UK Armed Forces. This set includes its matching 1987-dated carrier bag and original BS-marked 40 mm filter canister. ? Included in This Set. Avon GTR70 “Normal” Gas Mask – S10-pattern training version. Filter Canister marked CANISTER N. ? Details & Condition. Manufactured by Avon Rubber plc for the UK Ministry of Defence. Identical design to the operational S10 but produced for training and display. Standard NATO 40 mm thread – compatible for display with any S10 filter. Light surplus wear; overall excellent collectible condition. ? Important Safety Notice. It is not certified or recommended for any protective, safety, or breathing use. Model: Avon GTR70 (Normal Type). Pattern: S10 Training / Display Version. Filter: BS-marked steel canister (40 mm NATO). Country of Origin: United Kingdom. Era: Cold War / 1980s. Size: Medium (Standard issue for training). See photos for exact condition. Visit our store: Echoes of Everything.