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Can transitions/fittings/reducers be made in fabric?
Fabric Duct — Excel Air Systems
Fabric Ducting | Fabric Duct Systems | Air Socks | HVDS
Fabric Ductwork – Conklin Metal Industries
Fabric Ducting | Fabric Duct Systems | Air Socks | HVDS
Energy Saving Air Socks Textile Ventilation Duct Fire Retardant Fabric Air Duct - China Fabric Air Duct, Fabric Ventilation Duct | Made-in-China.com
Industrial Fabric Air Duct System - Patterson Power Tube System | Patterson Fan Co. - Patterson Fan Co.
Ventilation - Frescold Services
Commercial & Industrial Air Ventilation Products | Prihoda UK
IRR Air Socks Duct for Ventilation, Duct Sox, Air Conditioned Socks
Fabric Air Sock Ductwork For Pools, Fabric Air Sock Ductwork - Water Technics
OS1st TA4 Thin Air Running Socks (1 Pair) with special skin-thin design maximizing air-flow to prevent overheating and keep feet cool and dry at Amazon Men's Clothing store