Close-up view of the SwiftFlow bottle filter attached to a Nalgene bottle outdoors
DayCap filter shown detached from lid with hollow fiber element exposed
Traveler scooping water from a stream using SwiftFlow filter — best portable water filter for hiking
Close-up view of the SwiftFlow bottle filter attached to a Nalgene bottle outdoors
DayCap filter shown detached from lid with hollow fiber element exposed
Traveler scooping water from a stream using SwiftFlow filter — best portable water filter for hiking
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SwiftFlow DayCap Bottle Filter for Wide-Mouth Water Bottles

Original price was: $44.95.Current price is: $17.98.

-60%

A portable water filter that transforms your wide-mouth bottle into a fast, reliable purifier.

(3 customer reviews)

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Close-up view of the SwiftFlow bottle filter attached to a Nalgene bottle outdoors
SwiftFlow DayCap Bottle Filter for Wide-Mouth Water Bottles
$44.95 Original price was: $44.95.$17.98Current price is: $17.98.

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The SwiftFlow DayCap Bottle Filter turns your trusted wide-mouth bottle into a trail-ready purifier. Engineered for high flow, this water filter lets you sip safely without slow suction or awkward pumping.

  • Works with Nalgene, Hydro Flask, and YETI Yonder™ bottles
  • Removable hollow fiber filter kills 99.9999% of bacteria and 99.9% of protozoa
  • No drop in drinking experience — flow is smooth, fast, and natural
  • Light shake restores flow if clogged — no tools or disassembly required
  • Durable cap design includes leak-proof flip cover and carry loop
  • Switch to cap-only mode when filter isn’t needed

Whether you’re heading out for a day hike, camping off-grid, or traveling light, it’s one of the top rated water filters for travel. For hassle-free hydration, just scoop and sip — no waiting, no chemicals, no bulky gear.

3 reviews for SwiftFlow DayCap Bottle Filter for Wide-Mouth Water Bottles

  1. Randy Barry (verified owner) –

    Worked perfectly on my Appalachian hike. Fit my Hydro Flask and filtered lake water fast. Great buy!

  2. Regina Martin (verified owner) –

    Finally found a bottle filter that doesn’t slow me down. Flow rate feels just like drinking normally.

  3. Randy Stephens (verified owner) –

    Saw great reviews of bottle water filters and chose this one — glad I did. It’s compact, tough, and performs like a pro.

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FAQs

How do I clean the SwiftFlow portable water filter?
To clean the filter and restore flow, shake the bottle firmly with the filter attached. This removes clogs without needing tools or disassembly.
Can I use this filter with my Nalgene bottle?
Yes, the SwiftFlow DayCap was designed to fit wide-mouth bottles including Nalgene, Hydro Flask, and YETI Yonder™ models.
Is this a good choice for camping?
Definitely. It's one of the best cheap camping water filter options — lightweight, effective, and field-cleanable without extra gear.
SKU: swiftflow-bottle-filter-nalgene-xt94 Category: Tags: , , , , , , ,

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