General Ecology First Need Deluxe Water Purifier
One of the most effective water purifiers on the market, the First Need Deluxe removes protozoan cysts, bacteria and viruses, using General Ecology's patented "structured matrix sealed canister". Importantly, it does so without the use of chemicals. That means no iodine or chlorine is needed so there's no bad taste in the water. (Note: it doesn't claim to remove all viruses; just down to the 0.2 level so as to meet EPA drinking water standards for purifiers).
If you are mechanically inclined and like to take your filter apart to scrape out clogged contaminants, you will be disappointed. The unit is sealed and when it clogs or starts pumping slower, you simply replace the cartridge. Replacement filters are readily available and should yours get clogged up on the trail, it will still pump but at a much slower rate.
The First Need Deluxe is ruggedly constructed and one of its benefits is that it connects directly to Nalgene bottles. It also has a protective sanitary cover. A double action pump produces a relatively fast flow with around 35-40 strokes per quart. The First Need has been around for many years and has won Backpacker Magazine's Best Gear Award. The design looks more standard than high tech but if you read the reviews you find that a lot of diehard backpackers have used it for years without complaint.
Weight: 15 oz. Average price: $103
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