The Brown Filter Bag is a canvas water filter. It is easy to use and carry. It can be used on its own as a highly effective sediment water filter.
The Brown bag is also effective when used in conjunction with a combined filter/purification system as a pre filter to prevent clogging and extending the filtering life of the system.
Endorsed by SAS survival legend John “Lofty” Wiseman.
Available in two sizes the personal size which holds up to 3 litres and the group size which holds up to 20 litres.