Katadyn BeFree vs Platypus QuickDraw

These are the two filters people reach for when the Sawyer Squeeze feels slow. Both are hollow-fiber squeeze filters, both are rated for 1,000 liters, and both publish a flow figure, which puts them in a small minority. On the two decisions that actually change your day on trail, though, they point in opposite directions.

Katadyn sells the BeFree as a complete system: the filter arrives married to a HydraPak soft flask, and the weight on the box includes it. Platypus sells the QuickDraw as a filter that threads onto the bottle you already have, and publishes a procedure for checking the membrane is still intact. One is a kit, the other is a component. That is the whole decision, and everything below is detail on it.

The short verdict

The two filters side by side

Every figure below is the maker's own, from the pages and manuals linked at the foot of this page. We have not tested either filter; what follows is what Katadyn and Platypus publish, set against each other.

Weight, and what the number includes

63 g (2.2 oz) against 83 g (2.9 oz) looks like a win for the BeFree, and on the box it is. But the two numbers are not measuring the same object. Katadyn's 63 g is the filter with its 1 L HydraPak SoftFlask, because that is how the BeFree is sold. Platypus's 83 g is the filter alone; Platypus lists the QuickDraw 1L Filter System, which adds a 1 L reservoir, at 95 g.

Compare like for like and the gap closes to about 32 g — roughly the weight of a tent stake. Platypus also publishes a 69 g minimum weight for the filter alongside the 83 g total; we use the heavier figure throughout, as we do everywhere on this site, so grams saved are never overstated.

Bottle fit: the real difference

This is the paragraph to read if you read one. Katadyn lists the BeFree as threading onto its included HydraPak SoftFlask and does not list a standard 28 mm bottle fit. Platypus lists the QuickDraw's dirty side as fitting common 28 mm plastic bottles — the smartwater bottles sold in every gas station on every trail corridor — as well as narrow-mouth Platy bottles, with the clean side taking a DrinkCap or ConnectCap to feed a second bottle.

That has two consequences. First, resupply: a QuickDraw user whose dirty bottle splits buys another one for a dollar; a BeFree user needs a replacement flask from an outdoor shop. Second, capacity: soft flasks are awkward to fill from a shallow scoop once they are half collapsed, and a rigid bottle is not.

The counter-argument is real too. A soft flask collapses as you drink, so it takes no pack volume when empty, and the BeFree comes with a container in the box while the QuickDraw does not. If you already own bottles, that favors the QuickDraw. If you are buying a system from nothing, the BeFree is one purchase.

Flow and pore size

Platypus publishes up to 3 L per minute squeezing and 1.75 L per minute in a gravity setup. Katadyn publishes up to 2 L per minute. Both are maker claims measured in ways neither publishes in full, so treat them as a ranking rather than a stopwatch: the QuickDraw claims to be the faster of the two, and both claim to be far faster than a Sawyer, which publishes no flow figure at all.

Pore size runs the other way. The BeFree is 0.1 micron; the QuickDraw is 0.2 micron. In practice both makers claim the same removal class — 99.9999% of bacteria and 99.9% of protozoa including Giardia and Cryptosporidium — and neither claims anything against viruses. Katadyn frames its claim against the U.S. EPA microbiological water purifier standards; Platypus says each filter is tested to meet EPA and NSF guidelines. For North American backcountry water, the 0.1-vs-0.2 argument is a smaller difference than it looks: filters do not remove viruses at either pore size, and that is the gap that actually matters when you travel.

Cartridge life, cleaning and the integrity test

Both makers rate the cartridge at 1,000 liters. That is a real limit and worth saying plainly, because the Sawyer filters this site also ranks carry far larger published ratings. A thru-hiker filtering four liters a day reaches 1,000 L in about eight months of walking; a weekend hiker will likely replace the cartridge for age rather than volume.

Cleaning is where the BeFree is genuinely pleasant. Katadyn's EZ-Clean membrane is restored by swishing or shaking it in water — no syringe, no backflush, nothing to lose. If a shake no longer restores flow, the manual says replace the membrane. Platypus lists shake-to-clean or backflushing for the QuickDraw.

The QuickDraw then adds the one thing no other filter in this comparison has: a published integrity test you can run yourself to see whether a fall or a freeze has compromised the filter. Hollow fibers that have been split by ice still pass water happily; they just stop filtering. Every other filter here asks you to guess. That capability is why the QuickDraw sits where it does on our rubric's function score.

Freezing and warranty

Katadyn is blunt in the BeFree manual: do not use it in freezing conditions, because a frozen membrane could let microorganisms through. The warranty is two years. Platypus does not frame freezing as a prohibition in the same way, and instead gives you the integrity test to check the outcome.

The practical rule is identical for both and for every hollow-fiber filter on this site: on a night below freezing, the filter sleeps in the bag with you. See how to choose a backpacking water filter for the full freezing and maintenance rules across formats.

What the math says

Here the two filters cannot be compared directly, and we would rather say so than invent a number. Katadyn publishes no US list price for the BeFree on its own product page, so its value metric shows as not available and its score is the weighted average of the other four metrics. The QuickDraw does publish a list price, which gives it Value 5.7/10.

What that means for you: the BeFree's score here rests on weight, protection and usability rather than on grams per dollar, and the only honest way to compare the two on cost is to check both live listings on the day you buy. Both buttons on this page do exactly that.

The third option: the 0.6 L BeFree

Katadyn sells the same EZ-Clean filter on a 0.6 L flask at 59 g (2.1 oz). It is four grams lighter than the 1.0L version and holds 400 ml less, which is the wrong trade for most backpacking. Katadyn pitches it at running shorts, cycling jerseys and vest pockets, and that is exactly where it belongs: fastpacking and trail running, where the smaller package in a front pocket is the point and you refill often.

If it is going to be your only filter for an overnight, take the 1.0L. Collecting three or four liters at camp in 0.6 L bites is the kind of small misery that makes people stop filtering.