Protozoa, including Cryptosporidium, Giardia, Cyclospora, and
Entamoeba histolytica
Bacteria, including Staphylococcus aureus, Clostridium perfringens,
Campylobacter, Salmonella, Shigella and E. coli
Organic chemicals, including herbicides, pesticides, diesel fuel,
chlorine and chemicals resulting from strip-mine runoff.
Viruses, including those that cause polio and Hepatitis A
Images below are of the older First Need Deluxe which is
white and blue instead of the beige and blue color of the new First Need XL.
The older Deluxe version had a flow rate of 1.8 qts/min and a filter life of
125 gallons.
General Ecology First Need XL
Water filter and Purifier
Weight:
pump body, filter/purifier, hose, pre-filter: 16 oz (445
gm) Dimensions:
pump body and handle: 6.25" x 4.9" x 2.8" Pore size
(absolute): 0.4 microns
(nominal): 0.1 microns Pre-filter pore size: 10 microns Flow rate: 2.0 quarts per minute (2.0 liters/minute) Filter/purifier life (replaceable element): 150 gallons (568 liters) Inculdes:
filter/purifier housing, filter/purifier
cartridge, intake hose with pre-filter, carrying bag, instructions.
The General Ecology First Need Deluxe water filter and purifier can be directly
attached to a Nalgene wide mouth bottle (not included -bottles which measure
63mm on the outside of the opening and 53mm on the inside of the opening)
as shown in the blue diagram at left.
The filter and purifier can be fed from a stream or, using the included "Hands
Free" water bag, gravity fed by hanging the bag as pictured in the
color photo insert at left.
The First Need Deluxe includes a prefilter with a 10 micron
pore size. Close-up photo at left.
