General Ecology Deluxe Replacement Canister

Priced: $44.95 Rated:   - 5 stars out of 5 by 22 reviews.
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General Ecology Deluxe Replacement Canister -
After 150 gallons, it's time to replace your filter cannister. Always keep an extra First Need Deluxe Replacement Canister on hand, so you're assured a non-stop supply of good drinking water. Fits older First Need models.


  • Made in the USA.


  • Clean out port
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Review RatingNumber of Reviews
Average Capacity:180 gal.
Canister Size(diameter x height):2.75 in. x 5.25 in.(7 cm x 13.3 cm.
Flow Rate per minute quarts(liters):2 qt./min.(1.7 L/min.)
Particle Retention(microns):0.4
Temp. Range F(C):32°F - 100°F *do not freeze*

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General Ecology

General Ecology Deluxe Replacement Canister Reviews:

Positive Reviews:

Economic Water Filter

My last filter did not last long, but I think that is my fault. I think I let it freeze with moisture inside it, cracking the carbon block filter. I like the easy clean feature of the new design. It has to make backwashing easier. The gravity feed feature is handy and the hose fits the bottom valve on a two-gallon collapsible water carrier. The price has gone up a little over the years, but it works and it does provide your first need.
Lyndellbro at Campmor on 06/06/2013

Great purifier

Great purifier. Have used for years with no issues. Only way this failed a dye test after a couple of uses is if it was dropped. It is ceramic so you actually have to read the warnings and treat it with a due amount of care. Do so and it will give you years of enjoyment.
JR at Campmor on 08/08/2013

Great product

I have the same First Need pump that I bought 20 years ago. The filter canisters still fit it. Easy to use. Easy to replace filter canisters. Never had a problem with water-borne diseases after getting this water filter. You can get lighter water filters but you can't get a better one.
Old Goat at Campmor on 09/09/2013

never leave home without it

i have had two in the past 20years and i will always stick with the first need water pump. it is the best around we use it for the Boy Scouts. two weeks ago we went on a 4 day trip and pumped at least 20gal. and it is still going strong.
T6 at Campmor on 08/08/2011

Purifier not filter

My replacement canister was easy to install pumped water effortlessly and extremely fast. I have used a fist need on a NOLS course w/o any problems after 30 days in the field. My replacement canister served me well on a recent 4 day canoe trip in the Adirondaks.
Hondo at Campmor on 10/10/2010

Great filter! Good company!

I used this for a Boy Scout backing trip @ Philmont NM. Worked great kept 12 people hydrated for 10 days worth of hikeing. Water tasted great. Cool water from streams always better than warm from tap provided by BSA.
Dave at Campmor on 07/07/2011

First Need Filter Canister

Depending on your source, you may need to backflush occasionally. If using water that is especially sandy or silty, I prefilter into a container first, then pump from there.

Taste of the pumped water is pure fantastic.
Jousting Jeff at Campmor on 11/11/2010

The only purifier I trust

I like the new design of the canister. It provides a clean out area that didn't exist with the older canisters.

I use the First Need system on all of my multi-day backpacking and climbing outings.
Austyn at Campmor on 10/10/2013

purifier, better than a filter

Don't let it freeze. Be sure to test the purifier once a year with the dye provided so you KNOW it's working properly. Use of a good prefilter (MSR) will greatly extend the canister lifetime.
zippy at Campmor on 12/12/2010

my old standby got better

Have used for years and still believe it is the best! So cool that it mounts on top of both of my Nalgene bottle styles too!
Them Urphster at Campmor on 09/09/2012

Negative Reviews:

Failed the dye test

I heard great things about this filter. I used it threee times in clear streams. The last time I used it both myself and my friend got sick as dogs. Did not think anything of it at the time. But just pulled it out for a trip and did the "dye test" and it failed. Guess I know why we got sick!
Parkstranger at Campmor on 02/02/2012