All I have ever seen on the GP5 is the short filters. Are the longer ones from newer models, or is it just what came with the one I bought at a
Behold: My replica prop/cosplay GP-5 filter! : r/gasmasks
Military Surplus Soviet GP-5 Gas Mask – The Outdoor Gear Co.
Gas Mask Stalker Type GP - 5 with Filter 3D model | CGTrader
MILITARY SURPLUS Soviet Gp-5 Gas Mask With Bag And Filter - Check out Our Selection of Genuine Military Surplus Gas Masks - MILITARY SURPLUS USED CORE WAREHOUSE