Filters For Air Fed Helmets Relevance Price: Low - High Price: High - Low Alphabetically: A - Z Alphabetically: Z - A CR7050 Weltek Airkos Filter for Weltek Air Fed Helmets £19.75 Add to Basket CR7060 Weltek Airkos Pre Filter for Weltek Air Fed Helmets (Pk.10) £14.90 Add to Basket