Water Filters & Purification

Q: What’s the best water filter for backpacking?

Lightweight squeeze filters or bottles are great for individual backpackers, while gravity filters suit larger groups.

Q: Do UV purifiers remove viruses?

UV purifiers can deactivate bacteria, protozoa, and viruses, making them ideal for uncertain water sources.

Q: How often should I clean my water filter?

Flush after every use and follow manufacturer back-flush instructions to maintain performance.

Q: Can water filters remove chemicals?

Most filters remove biological contaminants; carbon or specialty purifiers handle chemical removal.

Stay safe and hydrated off-grid with professional-grade water filters and purification systems from The Outdoor Warehouse. Whether you’re backpacking remote trails, camping lakeside, or traveling internationally, clean water access is essential.

Our selection includes lightweight squeeze filters, gravity systems, pump purifiers, and UV purifiers from trusted outdoor brands — all engineered to remove bacteria, protozoa, and microplastics while keeping processing fast and easy.

Explore Hydration & Clean Water Gear

Water Bottles & Canteens Hydration Packs & Reservoirs Soft & Collapsible Bottles Insulated & Vacuum Bottles

Compare Water Filtration & Purification Types

Filter Type	Best For	Key Features
Squeeze Filters	Solo hikers & fastpacks	Lightweight, fast flow, ideal for quick refills
Gravity Filters	Group & basecamp use	Hands-free operation, high volume output
Pump Purifiers	International & high-risk water	Removes viruses + bacteria, versatile multi-water use
UV Purifiers	Backpacking & travel	Quick electronic purification, lightweight
Filter Bottles	Hiking & cycling hydration	Built-in filter for on-the-go drinking

Pro Tip

Always carry both a primary filter and a lightweight backup method (like purification tablets). When water sources are murky, pre-filter through a cloth or bandana first — this protects your filter and improves flow rate.

Water Purification & Safety Education

Choosing the Right Filter

For short day hikes, a squeeze filter is ideal. For extended backpacking or international travel where viruses are a concern, UV or pump purifiers provide broader protection.

How Gravity Systems Work

Gravity filters use weight and elevation to push water through microfilters without pumps. They are perfect for groups and basecamp setups.

Maintaining Your Filter

Flush after each use, store dry if possible, and follow manufacturer back-flush instructions to keep flow rates high and prevent clogs.

Frequently Asked Questions

What’s the best water filter for backpacking?

For solo backpackers, a lightweight squeeze filter or filter bottle is often best — they’re compact and fast. For groups, gravity filters or pump purifiers offer higher capacity and versatility.

Do UV purifiers remove viruses?

Yes — high-quality UV purifiers can neutralize bacteria, protozoa, and viruses, making them ideal for international travel or uncertain water sources.

How often should I clean my water filter?

Flush after every outing, back-flush as recommended by the manufacturer, and store dry to prevent biological buildup and maintain flow performance.

Can water filters remove chemicals?

Most outdoor water filters focus on biological contaminants (bacteria, protozoa). For chemical removal, carbon filters or specialized purifiers are better suited.