• Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor
  • Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor
  • Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor
  • Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor
  • Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor
  • Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor
  • Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor

Ultralight Survival Water Filter Pen – Instant Pure Hydration

Ultralight Survival Water Filter Pen – Instant Pure Hydration

£36.00 GBP
£36.00 GBP £48.00 GBP
SAVE 25% Sold out

Eliminate Water Anxiety

Achieve Ultralight Freedom

Trust Triple Filtration

Built For Any Adventure

Instant Pure Hydration

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In Stock 5 Items - Ready To Your Location
Ultralight Survival Water Filter Pen – Instant Pure Hydration -ByteOutdoor

Ultralight Survival Water Filter Pen – Instant Pure Hydration

£36.00
£36.00 £48.00
SAVE 25% Sold out
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Product Overview

Stop letting the weight of your water supply dictate your journey. The constant search for safe sources and the anxiety of contamination can limit your freedom and peace of mind in the wild.

This isn't just a portable water filter; it's your key to unlocking true self-reliance. Transform any stream, river, or tap into a source of pure, safe hydration and explore with unburdened confidence.

Your Adventure, Redefined

Eliminate Water Anxiety

Confidently drink from freshwater sources. Our advanced survival water filter removes 99.9999% of bacteria and protozoa, giving you absolute peace of mind preparedness, from remote trails to global travels.

Achieve Ultralight Freedom

At only 50 grams, this ultralight water filter is lighter than your phone. Shed pounds from your pack, increase your agility, and extend your range without sacrificing safety. It's the ultimate upgrade for any backpacking water filter system.

Trust in Triple Filtration

Our robust system ensures every sip is clean. We don't just filter; we purify through three distinct stages for maximum safety and improved taste, providing you with instant pure hydration.

Medical-Grade UF Membrane: The core of our outdoor water purifier, this 0.01-micron barrier physically blocks microscopic threats.
Activated Carbon Filter: Reduces chlorine, heavy metals, and odors, dramatically improving the taste and clarity of your water.
Sand Prefilter: Captures larger sediment like silt and rust, extending the life and efficiency of the main filter elements.

Built For Any Adventure

This isn't just for extreme expeditions. It's a practical tool for any situation where water quality is uncertain. From the trail to your emergency go bag, it provides versatile, life-saving capability.

• Backpacking & Camping: The perfect lightweight water filter for backpacking. Drink directly from streams and lakes.

• International Travel: Use it as a travel water purifier to make tap water safe in foreign hotels and villages.

• Emergency Preparedness: An essential emergency water filter for your home kit or vehicle, ensuring hydration during a crisis.

Specifications & Kit Contents

Filter Capacity: Purifies up to 4,000 Liters (1,056 Gallons).
Materials: Durable, BPA-Free Food-Grade ABS and Medical-Grade Silicone.
Weight: 50g (1.76 oz) - The definition of an ultralight personal water filter.
What's Included: Water Purifier Pen, Squeeze Pouch, Extension Hose, Lanyard, Cleaning Syringe, User Manual.

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Usage Scenario

Summit Without the Weight

Ideal for: The Ultralight Backpacker & Hiker.

You've reached the alpine lake, breathless. Instead of rationing heavy water, you dip your bottle in the pristine stream, confident and unburdened.

The pen purifies it instantly. This is the freedom of a true hiking water filter, letting you explore farther and faster with complete peace of mind.

Explore with Global Confidence

Ideal for: The Adventurous World Traveler.

The tap water in the remote village market is suspect, but your curiosity isn't. You fill your bottle and purify it right at your table.

Your travel water purifier provides secure freedom, ensuring your health is never left to chance as you immerse yourself in new cultures.

Unwavering Family Preparedness

Ideal for: The Self-Reliant Homeowner.

An unexpected boil water advisory is issued. While neighbors scramble, you remain calm, knowing your family is protected and has access to clean water.

This essential tool in your emergency water filter go bag transforms any tap or rain barrel into a source of pure, safe hydration.

Stay Out on the Water Longer

Ideal for: Kayakers, Anglers, and Boaters.

You're in the middle of a vast lake, hours from shore. Instead of turning back, you simply dip your bottle over the side and refill on the spot.

Your outdoor water purifier eliminates the need to carry heavy water reserves, extending your time doing what you love with absolute confidence.

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Frequently Ask

How much water can the Pocket-Sized Outdoor Water Purifier Pen filter?

This powerful filter has an impressive capacity, purifying up to 4,000 liters (1,056 gallons) of water. That's enough for years of adventure for a single user, ensuring long-lasting reliability on your journeys.

What types of contaminants does the triple filtration system remove?

Our advanced triple filtration system is engineered to protect you from 99.9999% of bacteria (like E. coli) and protozoa (like Giardia). It also removes large particulates like sand and silt, and reduces chlorine, heavy metals, and organic chemical matter, significantly improving taste and odor.

Is the water purifier pen truly ultralight and portable for backpacking?

Absolutely. Weighing only 1.76 ounces (50g) – lighter than most smartphones – its compact, pen-like design and integrated clip make it the ultimate ultralight solution. It fits effortlessly into any pocket, pack, or go-bag, replacing bulky water bottles.

Can this water purifier be used for international travel or only in wilderness settings?

Its versatility is a key advantage. While perfect for wilderness adventures like hiking and camping, it also serves as an excellent travel water purifier for international trips, providing safe drinking water from questionable taps or local sources, and is an essential component for any emergency preparedness kit.

What is the lifespan of the filter and how do I maintain it?

With a capacity of 4,000 liters (1,056 gallons), the filter provides extensive use. Maintenance is simple: after each use, backflush with the included cleaning syringe to remove trapped particulates, ensuring optimal flow rate and extending the filter's life. Always store it dry.

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Free Shipping

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Limited Time Free Shipping

for all orders over US$60

Processing Time

check icon 0-2 days to prepare your order for shipment.

Estimated Delivery

  • check icon 2-7 business days - U.S. & Canada
  • check icon 3-7 business days - EU, UK, Australia & New Zealand
  • check icon 3-8 business days - Japan, Singapore, Hong Kong & Mid-East
  • check icon 5-10 business days - Other Continental Regions
  • check icon 5-12 business days - Overseas Territories/Islands
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30 Days Return

We accept returns within 30 days of purchase.

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As Seen On

The ByteOutdoor Standard

Every product we carry must pass the ByteOutdoor Standard. We test for real-world performance and long-term reliability, resulting in one simple promise:

Our Standard in Action

98%

of our curated products perform without failure through their first season of demanding use.

92%

of customers agree our product descriptions accurately match their real-world performance.

90%

of customers would trust a ByteOutdoor curated product for their next adventure.

Metrics from our 2025 customer survey & internal performance data.

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