MSR HyperFlow Microfilter

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Reviewed by 7 Trailspace users

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Description

The HyperFlow Microfilter is a water filter made by MSR. It has an average rating of 3.5 stars (out of 5), based on 7 user reviews.

Weight: 7.4 oz / 209 g
MSRP: $99.95

Here's what other sites are saying:

From Campmor:
"The MSR HyperFlow Microfilter utilizes the latest Hollow Fiber technology in a package so small and so easy to use it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions. Also included is a Quick Connect Bottle Adapter, allowing direct connection to all MSR hydration products and a variety of other "wide mouth" containers, and an advanced prefilter to prolong the life of your filter. High Flow Rate: Pumps more than 3 liters per minute or one liter every 20 strokes. Ultralight: Just 7.4 oz. (209 g). Ultra Small: Just 7 in.x 3 in. x 5 in. (17.8 cm x 8.3 cm) makes it easy to take along even when space is at a premium. Field-Maintainable: Can be cleaned repeatedly for flow recovery without tools. Filter Poresize: .02 microns Super Convenient: Quick-Connect bottle adapter lets you filter water directly into a variety of containers, including all MSR hydration products and Nalgene bottles. Cartridge life: Up to 1000 liters depending on conditions. Size: 7.35 in. Weight: 7.4 oz."

From Backcountry.com:
"Why did MSR's Hyperflow Microfilter win the 08 Backpacker Editor's Choice Award? It's super small (7 x 3.5in), super light (7.4oz), and it pumps three liters per minute. That means you can pack quick-filtering power without sacrificing weight or space on your fast-pace backpacking trips. The Hyperflow Microfilter's float end stays face-down in the lake or stream and won't clog up as you pump, and an included Quick Connect Bottle Adapter connects to MSR, Nalgene, and other bottles with 63mm threaded openings. No tools are needed to disassemble the Hyperflow Microfileter for on-the-go cleaning."

From Oregon Mountain Community:
"The MSR HyperFlow utilizes the latest Hollow Fiber Technology in a package so small and so easy to use it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions. Also included is a Quick Connect Bottle Adapter™ — allowing direct connection to all MSR hydration products and a variety of other "wide mouth" containers — and an advanced prefilter to prolong the life of your filter.MSR Hyperflow Features: High Flow Rate: Pumps more than 3 liters per minute or one liter every 20 strokes.Ultralight: Just 7.4 oz. (209 g).Ultra Small: Just 7x3.5 in. ( 17.8 x 8.3 cm) makes it easy to take along even when space is at a premium.Field-Maintainable: Can be cleaned repeatedly for flow recovery without tools.Super Convenient: Quick-Connect bottle adapter lets you filter water directly into a variety of containers, including all MSR® hydration products and Nalgene® bottles."

From Moosejaw:
"Free Shipping. MSR Hyperflow Microfilter (Fall 2009) The Hyperflow Microfilter by MSR is the lightest, smallest and fastest-pumping filter. The best choice for Fast & Light backcountry use. Specifications: Effective against: Protozoa, Bacteria, Particulate Weight: 221 g. / 7.8 oz Dimensions: 17.8 x 8.3 cm / 7 x 3.5 in. Filter Matrix: Hollow Fiber Filter Pore Size 0.2 Micron Flow (Liters per minute): 2.75 Liters per minute Flow (Strokes per liter): 30-40 Cartridge Life: 1000 Liters Field Cleanable Field Maintainable Features: Field Maintainable: Can be cleaned repeatedly for flow recovery; no tools required for complete disassembly. Super Convenient: Includes our unique Quick-Connect replacement cap that allows the filter to securely interface with any container - MSR hydration products, Nalgene bottles, etc. - 63 mm threaded openings. Mechanical pumping advantage. Water bottle attachment"

User Reviews

HyperFlow Microfilter
Reviewed by Arson, Oct 13, 2009

"Nice filter. I've only used it a couple of times, but I love the flow it produces, nice weight, packs well, and keeps me hydrated."

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HyperFlow Microfilter
Reviewed by Absaroka, Feb 18, 2009

"My friends call it the MSR "Faucet". Seriously, I can't pee into a bottle as fast as this thing can fill one! Filtering daily water for a party of 4 takes only a few minutes.

I back-flush mine every day (or so) and have had no problems with reduced flow."

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HyperFlow Microfilter
Reviewed by Robert A. Perkins, Oct 27, 2008

"My first day out with this filter, I loved it. It was light, pumped fast and was compact. The honeymoon ended quickly though, as this filter plugs up faster than anything else I have ever used.

I have only used this filter in clean high Sierra water and followed the instructions on backflushing, but still found this filter USELESS after using it on a 6-night outing."

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HyperFlow Microfilter
Reviewed by Bknhkr, Oct 15, 2008

"Even though others seem to love this filter, I have to rate it low. I had it on one trip and I couldn't even filter 2 liters of water before it plugged up to the point it was unusable. The backflushing technique did not work, even after I got back and tried flushing it with tap water."

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HyperFlow Microfilter
Reviewed by P.H., Jul 22, 2008

"This is the first water filter I have ever owned. I bought the only one in town, and based on all the reviews I have read of other products, I would not trade.

I took the HyperFlow to the Flat Tops Wilderness Area for 4 days. It was so fast that after the first trip to the creek for water, everyone in camp thought I had just dipped the bottles, bladders and a pot into the creek and returned to camp."

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HyperFlow Microfilter
Reviewed by mumphra, Jun 15, 2008

"This filter made everyone on the trail jealous. It is soo fast and small. Greatest filter ever made. I have nothing else to say about it."

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HyperFlow Microfilter
Reviewed by Gary C., Apr 20, 2008

"I'm not sure if I should be writing this review yet or not. I just got my filter in the mail this week and have not even used it in the field yet. I just wanted to point something out that I would have liked to have known before I bought mine.

While reading the operating and maintenance book I found that it recommends back flushing the filter every 8 liters or once a day."

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