I would say these are in overall good condition, but there is definite evidence of them being used.
Katadyn Pur Recovery Engineering Desalinator Reverse Osmosis OBJ61 MROD-35-LA-1
Pur Recovery Engineering Desalinator Reverse Osmosis Survivor-35
PUR Replacement Cartridge Water Filter fits Katadyn Hiker Pro & Base Camp New
Pur For Katadyn Hiker Water Filter Cartridge Replacement Backcountry Holiday
Katadyn Pur Hiker Pro Hose 36” Replacement Used Good Water Filter Backpacking
