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PLATYPUS

Platypus DayCap In-Bottle Water Filter

#334356310
Platypus DayCap In-Bottle Water Filter
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$59.95
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PLATYPUS

PLATYPUS

Platypus DayCap In-Bottle Water Filter

$59.95

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Product Details

The Platypus DayCap In-Bottle Water Filter turns your wide-mouth water bottle into a high-performance water filter. Its hollow fibre technology purifies water at 1 litre per minute, removing harmful bacteria and protozoa. The spout provides a smooth drinking experience, and the detachable filter allows for versatile use. Built with durable materials, this Platypus filter is easy to carry and perfect for hiking or any outdoor activity requiring clean water.

  • Hollow fibre technology removes 99% of bacteria and protozoa for safe drinking water

  • Fast flow rate allows easy drinking, similar to an unfiltered bottle.

  • Simple cleaning by shaking the filter while attached

  • Detachable filter converts DayCap into an everyday bottle cap when not filtering water

  • Durable TPE mould and a flexible carry loop allow portability and wide-mouth bottle compatibility

  • Well-designed spout and flip-up cover offer a leak-free, comfortable drinking experience

Assembled Height (cm) 10.60 cm
Assembled Length (cm) 9.90 cm
Assembled Width (cm) 7.10 cm
Certifications NSF Certified
Colour Group Blue
Elements Filtered Bacteria
Filter Life (Month) 1000 mo
Filter System Outdoor
Form Cartridge
Number of Pieces 1
Primary Material Plastic
Sustainability UL Ecologo Certified
Type of Filter Mechanical
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  • Return to our warehouse via mail at your cost
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  • Returns made between 31 and 60 days will receive merchandise credit
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1 to 7 of 7 Reviews
1 – 7 of 7 Reviews

Love being able to filter

a month ago
Love being able to filter water straight out of the bottle!

Originally posted on a Cascade Designs brand site

Safe Hydration for Mountain Adventures

2 months ago
As a guide, I spend long days in high altitudes, often relying on rivers, streams, or glacial lagoons for water. In places like the “Nido de Cóndores” camp on Aconcagua, I’ve seen many climbers struggle with stomach issues after drinking untreated water from the frozen lagoon. Having the DayCap™ In-Bottle Filter makes a huge difference—it allows me to stay healthy, energized, and focused on what truly matters: reaching the summit and supporting my team. The best part is that it doesn’t add extra bulk or weight, since I already carry a bottle. It’s all gain, especially for my health and performance in the mountains. A simple, reliable solution that I now consider essential.

Originally posted on a Cascade Designs brand site

Saw this on social media

4 months ago
Saw this on social media and had to buy one! Just used it this past weekend while climbing on a hot day. Filled up my bottle in a little stream while hiking back and instantly had fresh, cold water! Highly recommend!

Originally posted on a Cascade Designs brand site

I bought this for a

4 months ago
I bought this for a trip to Disneyland (the water there is over chlorinated and I didn’t want to buy plastic bottles), and it worked perfectly! No complaints, and I recommend to everyone.

Originally posted on a Cascade Designs brand site

Great for Day Hiking!

11 months ago
Glad someone finally made a product that was compatible with other manufacturer's wide-mouth bottles! This is great for day hiking and cutting down on the after you need to carry. Very easy to use.

Originally posted on a Cascade Designs brand site

I like to use this

7 months ago
I like to use this while traveling to countries where the water may be suspect. I want to avoid buying bottled water and creating more landfill. Will likely also use when hiking/backpacking so that I can fill up at a stream. Initially I noticed a bit of a plastic taste but I don't notice that anymore.

Originally posted on a Cascade Designs brand site

Good for day hikes, not for backpacking

a year ago
This is a good day hiking filter, where you’ll just be filling it and drinking (only very light suction is needed to pull water through the filter. This is not a good backpacking filter because it’s very difficult to filter from one container to another (for example, into a cook pot), and impossible to do so from a hard-sided container like a Nalgene Tristan bottle. It’spossible to squeeze water through the filter on a Nalgene “ultralight” polyethylene bottle, or even an MSR Dromlite reservoir, but it’s a slow, awkward process.

Originally posted on a Cascade Designs brand site

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