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This combination water purifier system removes waterborne bacteria and protozoan parasites, and the chlorine-based SweetWater® Purifier Solution effectively inactivates viruses. The MSR SweetWater Purifier System is a lightweight solution to add viral protection in popular wilderness areas and developing countries. This combination purifier system removes waterborne bacteria and protozoan parasites, and the chlorine-based SweetWater® Purifier Solution effectively inactivates viruses. This system meets U.S. EPA requirements for microbiological water purifiers and is the one camping accessory any outdoors man should not be without. The SweetWater Purifier pumps water on both the up and down strokes for a fast flow rate of 1.25 liters per minute and eliminates over 99.9999% of all waterborne bacteria and 99.9% of common protozoan parasites like giardia and cryptosporidia. Package includes Sweetwater Microfilter, an 80-micron stainless-steel prefilter, two color-coded silicone hoses, foam float, Universal Bottle Adapter plus cleanside cover, cleaning brush, ViralStop Purifier Solution and stuff sack. Click here to view our Water Treatment FAQ Guide Iodine-free: Inactivates viruses without bad-tasting iodine. Fast: Pump at a fast flow rate of 1.25 liters per minute, then add five drops of the purifier solution per liter and wait five minutes for optimal protection. Easy to Use: Lever-action pump handle has a 4-to-1 mechanical advantage and dual pump action, so you don't have to work as hard. Lightweight: Entire system weighs just 14 ounces. Compact: Handle folds flat when not in use for easy packing and storage. Dependable: Inactivates 99.99% of waterborne viruses; eliminates over 99.9999% of all waterborne bacteria and 99.9% of common protozoan parasites, such as Giardia and Cryptosporidia, as well as particulates, bad tastes, and odors.
Get added viral protection in popular wilderness areas and developing countries with this combination purifier system. The SweetWater® Microfilter removes waterborne bacteria and protozoan parasites, and the chlorine-based SweetWater® Purifier Solution effectively inactivates viruses. This system meets U.S. EPA requirements for microbiological water purifiers.
This MSR system combines the proven filtration of the SweetWater® microfilter with the chlorine-based SweetWater Purifier Solution for safe, clean water worldwide.
Ideal system for iodine-free water purification in the wilderness and developing countries. The compact and lightweight microfilter quickly removes waterborne parasites and bacteria, while the chlorine-based purifying solution inactivates viruses.
The MSR SweetWater Purifier System offers superior viral proitection. It removes waterborn bacteria and protozoan parisitesm and the chlorine based SweetWater Purifier Solution inactivates viruses. This system meets U.S. EPA requirements for microbiological water purifiers. Features:
MSR's SweetWater Purifier System gives you added protection against bacteria, protozoa, and viruses. This backcountry kit includes a SweetWater Microfilter, an 80-micron stainless-steel prefilter, two color-coded silicone hoses, foam float, Universal Bottle Adapter plus cleanside cover, cleaning brush, ViralStop Purifier Solution and stuff sack. Simply pump the water through the SweetWater purifier, then add five drops of the purifier solution per liter and wait five minutes for the purification process to complete. MSR's water Purifier Solution inactivates 99.99 percent of waterborne viruses, bacteria, and common protozoan parasites, so you can avoid spending your camping or traveling expedition doubled over in your tent.
No description provided.
| Cartridge Life: | UP to 750L, depending on conditions |
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| Country of Origin: | United States |
| Dimensions: | 7.5 x 2 in. [19 x 5 cm] |
| Field cleanable: | Yes |
| Filter Element Duration: | 198.12 Gallons |
| Filter Element Type: | Silica paper wrap with activated carbon layer |
| Housing material: | Polycarbonate |
| Kills Viruses: | Yes |
| Manufacturer Warranty: | Lifetime |
| Material: | Labyrinth w/ chlorine-based disinfectant solution |
| Micron Size: | 0.2 micron |
| Output: | 1+ liters per minute |
| Pump Rate: | 1.25 liter / minute |
| Pump force: | 1.6 pounds |
| Pump strokes per liter: | 81.6 |
| Purification Rate: | [Pump] 1.25L / min; [Solution] 1L / 5min |
| Purifier Solution: | Treats up to 300L |
| Purifying Element: | Chlorine-based solution |
| Recommended Use: | Backpack, camping, vacationing in developing countries |
| Removes Giardia: | Yes |
| Removes/Destroys: | Protozoa, bacteria and viruses |
| Volume: | 1L / 5 drops |
| Warranty: | Limited Lifetime |
| Weight: | 14 oz. [395 g] |
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View other products from MSR classified in Hiking & Camping > Water Treatment. View all products from MSR.
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Sometimes, we can't be sure that the product is the same across the stores that offer its, so you may find the same product listed more then once on GearBuyer.com, we these list highly similar products below.
 | MSR SweetWater Purifier Solution | $8.94 - $9.95 |
 | MSR SweetWater Purifier Solution - 2oz. | $10.00 |
These are products that have been indicated being comparable to this product:
 | MSR SweetWater Microfilter Hiking & Camping > Water Treatment | $62.95 - $79.95 |
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Durable, and Reliable | |
| Rating: |  |
| This was the first filter I have bought and it did not disappoint. I have used this 3 times in the Red River Gorge Kentucky. Every time this filter has performed well. I was the only one with a pump my first two backpacking trips and was pumping water for 5 other people both times, 3 other people the 3rd trip. Water was clean when it came out, pumping was easy, the only problem was that sometimes I had to stop pumping in between bottles and brush the filter 3-4 times to do some minor cleaning so it would pump easier. But besides that it pumped well and I love the fact that it pumps water with both the up and down stroke! The river where i got the water from those times too wasn't a clean river either. The 3rd time the water that i pumped from was actually down stream of a place where people were bathing i found out later! But all three times everyone who used my filter did not get sick. After I got back I washed the filter thoroughly and stored it back in my pack, when i used it the 2nd time it worked just as great as the 1st, same with the 3rd time I used it. I would recommend using a coffee filter over the prefilter in the water you are pumping to help preserve the filter. The filter works very well and i would highly recommend this product to anyone, great filter for the price! | |
| chas.locey at REI on 10/23/2008 | |
Solid system with some minor flaws | |
| Rating: | |
| I've used this system for the last couple of years, and recently relied on it completely during a weeklong summer trip to Lake Meade, where temperatures were well over 100 degrees daily and our water intake was massive. The system held up well and produced clean, clear water with no bad taste. It's actually useable while I'm still in the cockpit of my kayak, which was convenient. There are a couple of downsides, however. First, the intake tube is constantly making contact with the output tube, which could be a problem in contaminated water. There's no way to keep them seperate. Second, the end of the intake tube, which holds a pre-filter, never sits correctly or stays where you need it to in order to get a good pumping position. There's a float provided that would work great in deep water, but if you're pumping from the edge of a stream or a beach (freshwater, of course) it's constantly moving towards you and into silty water. In order to really get away from heavily silted or muddy water, you need to get knee deep in the water so that the float can be adjusted to keep the pre-filter above the mud or silt. The filter, like any micropore filter, clogs quickly because of this, although with a quick brushing with the provided cleaning tools, you can be up and running even with a filter that is towards the end of the useful life. | |
| akayaker at REI on 08/30/2008 | |
Simple, field maintainable, reliable | |
| Rating: | |
This is filter #4 for me. I have had the PUR Expedition, Katadyn Explorer, and am replacing the Vario with this one. I like that the filter is simple, and can easily be cleaned in the field, something I was used to with my old Expedition. I also like the action on the pump, compared to other straight shafted models. It helps make pumping easier. The flow rate is a little slower that I have been used to, but ultimately I am comfortable in trading off for the reliability and size of the Sweetwater. As far as clogging... I used it on about 40 L of water, without having to brush out the filter, but if water is really mirky, you could add the optional silt stopper, and that should eliminate most of the clogging particulate from entering the filter cartridge. | |
| Gluemess at Backcountry.com on 08/30/2008 | |
good and fast | |
| Rating: |  |
| This pump has been great for me. i have used it many times. During all seasons and in some murky water sources. Just make sure you follow the instructions and this pump wont let you down. It fills a 1 liter bottle in less then a minute. if water starts to come out of your over pressure valve good chance you need to clean the filter. This is a quick and easy processes. Make sure you do this i learned the hard way and broke my pump on the 2 day of a 4 day trip. This was not due to a equipment flaw. i was over taxing my pump and not performing the proper maintenance. luckily i had another one and remembered to clean it and had no problems after that. | |
| klam at REI on 12/08/2008 | |
Awesome purifier system | |
| Rating: | |
| I used this on day hiking and backpacking trips, especially to Colchuck and Yosemite. Very light, easy to use, and simple and easy to pump. I have the original Sweetwater system before it was part of MSR, and it's working like a charm. Never broked on me (as other have mentioned). One thing I like about this filter is that I have those Camelback filter attachments, because I have had too many instances where I needed water, and I didn't want to take out the bladder. I can just change the bite connector, attach it to the end of the filter, and just pump cold, refreshing, filtered water. | |
| IssyHikerBiker at REI on 07/22/2008 | |
Fast Filtering System | |
| Rating: | |
| I used one of these filters back before MSR bought the design. They were just SweetWater filters then. It filtered water fast even in cold/freezing temps in the Smokey Mtns. My miniworks seems to reverse flow/back pump when it's cold and it's also slow compared to the SweetWater design. I havent used the MSR version I just bought but's the same filter with a different name on it. I'll review again if it's a pain to clean but no complaints with my initial use. | |
| Rudie812001 at Eastern Mountain Sports (EMS) on 08/11/2009 | |
One Sweet Purifier | |
| Rating: | |
I've had my Sweetwater filter for about 5 years now and I have filtered plenty of water with this beauty. It is a "must-have" in my pack. I really like the double action pump (pumps on the up and down stroke). There are other systems that are smaller but they filter slower (I prefer not spending all day pumping water). When you get home from your trip, put the filter canister in the freezer to prevent mold and to kill any bacteria. | |
| Matthew Brown (Olympia, WA) at Backcountry.com on 09/29/2009 | |
Sweetwater filter was a nice buy | |
| Rating: | |
| This filtered water real well. A few freinds and I went on a week elk hunt on the Continental Divide and a few times couldn't find a nice water sourse. You wouldn't believe some of the water we ended up filtering. We all had our doubts, but this unit did fine. It was a hassle cleaning almost after every pump, but worked well and water tasted great. No one got sick and we filtered some real nasty water. | |
| Joe at Eastern Mountain Sports (EMS) on 02/06/2008 | |
Reliable and easy to use | |
| Rating: | |
| This unit is easy to use and the water it produces is clean, clear, and odor free. It does take a bit of energy and time to get the water pumped through, but the end result is worth it. The pump is fairly compact when it's stowed, although the tubes tend to get in the way a bit. I use the drops, but they expire rather quickly, especially if you don't keep them refrigerated. Cleaning is easy. | |
| akayaker at REI on 04/15/2008 | |
So-So | |
| Rating: | |
| I used this with my friend on a week long trip and it worked perfectly fine w/o any need to clean. I purchased mine and it needs alot of cleaning. I wasn't sure why but it does. It also has a release valve that shoots water out when the filter is clogged. Also it is hard to pump; you get tired easy. All in all is a good pump if you are able to keep it mantained. | |
| Deacsmitty at Eastern Mountain Sports (EMS) on 02/07/2007 | |
Broke when I really needed it | |
| Rating: |  |
The Sweetwater was my pride and joy for several trips into the backcountry and it served me well. | |
| Ronnie at Backcountry.com on 12/22/2008 | |
Disappointed | |
| Rating: |  |
| I bought this filter for a trip to Yosemite in September. It worked well for the first few bottles of water, but then it began to shoot water out of a release valve which greatly slowed the rate that the water could be filtered. The water that I was filtering was crystal clear, so I don't think that the filter was clogged. I would not recommend this filter. It may be intended for occassional, very low volume use. | |
| Da Phins at Eastern Mountain Sports (EMS) on 10/14/2008 | |
Questionable Durability | |
| Rating: | |
| I have had two of these manufactured under the Guardian label and both have broken in the field. One the stem inside broke and the other had problems with the pump handle. Filtration is great but the design puts a lot of stress on the plastic parts. For the same money a Katadyn is more durable, if not nearly as fast. | |
| Bob83318 at REI on 02/01/2009 | |
reliable for a few trips only | |
| Rating: | |
this is the second one that blew out on me. after a few trips, the pump stops working. does this mean that one should bring a second unit on a trip in case the original pump breaks? that's like the tail wagging the dog. looking for another solution. i'll give this pump a d+ ...MSR, get it together! | |
| garred finglegringe at Backcountry.com on 06/10/2009 | |
Junk | |
| Rating: | |
This thing is a piece of junk. Broke down in the middle of our back packing trip. The pumping mechanism just stopped working and it started leaking. | |
| andrewveit2170771 at Backcountry.com on 07/19/2009 | |
Adequate, but Better Choices Out There | |
| Rating: |  |
This is a good filter, when it worked. It makes good tasting water, and is easy to clean in the field. My main complaint was that it almost always failed me in the field. It would filter the first liter or two well, but after that it either pumped slow, required great force, or quite pumping all together. I have since replaced it with another brand filter, and have had no such problems with the new one. I always found a way to make it work, but it was so difficult at times that I would not recomend this filter to others. | |
| Sean Chism at Backcountry.com on 09/29/2009 | |
Works ok. | |
| Rating: | |
| Pump works, it just seems to get clogged after pumping only 1 liter of Florida water. Will have to wait to see if works any better outside of Florida when I have a chance. | |
| Jon the OG at Eastern Mountain Sports (EMS) on 11/02/2006 | |
Clogs too easy. | |
| Rating: | |
Don't bother. It will only get you halfway there. | |
| MountainMan Cowboy at Backcountry.com on 07/23/2008 | |
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