Does this leak easily?

I invite you to go to o e of my favorite YouTube channels “Joe Robinet” he has been using these for the past year, last year he spent 254 days outside camping Kayaking, and hiking. These are in my opinion the best on the market. No they do not leak. Just replace the O ring as you replace filters and you’ll be fine, I personally always take a back up when I’m out for more than two days, but have never had any problems.

How small does it fold down to?

about the size of wide rim double shot glass

Can you purchase the 1L softflask by itself? Mine got punctured.

Thanks for your question. The 1L flasks are not for sale by themselves but our Katadyn customer service team would be happy to work with you in regards to your punctured flask. Please email us here: cs@katadyn.com. Alternatively, the Hydrapak Seeker 3L and 2L are compatible with the befree filter and are good options.

Can i screw the filter on another water bottle?

The Katadyn BeFree filter can fit on any 42mm threaded bottle. Hydrapak's 750ml Stash, or any of their Seeker flasks are a good example.

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Description

💦 Stay hydrated, stay unstoppable—filter your adventure in a flash!

BUILT TO ENDURE - Swiss-engineered durability with BPA-free, flexible flask and 2-year warranty for 1,000L use.
HASSLE FREE CLEAN - EZ-Clean membrane and Stay Clean nozzle keep your water pure without tools or fuss.
SWIFT HYDRATION FLOW - Enjoy a rapid 2 liters per minute flow rate, perfect for solo or duo adventures.
FEATHERWEIGHT FREEDOM - At just 2.3 oz, fits seamlessly in your pack or jersey pocket—ultralight convenience.
PURIFY WITH PRECISION - Removes 99.9999% bacteria & 99.9% protozoa for safe hydration anywhere.

The Katadyn BeFree 1.0L is an ultralight, collapsible water filter bottle featuring a 0.1 micron hollow fiber filter that removes nearly all bacteria and protozoan cysts. Weighing only 2.3 oz, it offers a fast 2 L/min flow rate and easy cleaning with no tools required. Designed for hikers, runners, and backpackers, it combines Swiss durability with a BPA-free flexible flask and a 2-year warranty covering up to 1,000 liters of filtered water.

Specifications

Brand	Katadyn
Special Feature	Lightweight
Product Dimensions	4.25"L x 10"W x 3"H
Package Information	Bottle
Installation Type	Freestanding
Power Source	Gravity-fed
Item Weight	0.14 Pounds
Model Name	8018006
Maximum Flow Rate	2 Liters Per Minute
Supported Water TDS Level Maximum (PPM)	1000
UPC	604375180062
Global Trade Identification Number	00604375180062
Manufacturer	Katadyn North America
Item Package Dimensions L x W x H	6.85 x 4.76 x 2.68 inches
Package Weight	0.13 Kilograms
Item Dimensions LxWxH	4.25 x 3 x 10 inches
Brand Name	Katadyn
Warranty Description	Manufacturer Warranty
Color	Clear
Suggested Users	unisex-adult
Number of Items	1
Part Number	8018006
Size	One Size
Fishing Technique	Spinning, Casting

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