



Filter Adapter - 28mm
Filtration Accessory

Shipping $45+

Returns

Guarantee
Fits into Plug-N-Play Caps and Connectors to create a direct connection between your 28mm backcountry water filter and HydraPak Seeker storage containers, Flux bottles and reservoirs.
Compatible with most 28mm threaded water filters. Learn more by visiting our Filter FAQ page.
Must be paired with a HydraPak Plug-N-Play connection in order to work.
Example image pairs Sawyer Filter with the Filter Adapter and the Plug-N-Play cap.
COMPATIBLE GEAR

























Seeker™ 2L
ULTRA-LIGHT WATER STORAGE

Shipping $45+

Returns

Guarantee
The great outdoors just got greater. The Seeker™ 2 L is HydraPak’s ultra-light, durable water storage bag for camping, backpacking, you name it. It collapses down to the size of a fist, easy to pour and transport. The leakproof, tethered cap is filtration compatible making it the perfect tool for the long haul.
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PACKABLE
Fold or crush to collapse down and pack into the included storage bag
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FILTRATION COMPATIBLE
Filter more water in the backcountry, most 42mm threaded filters screw on to top
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LOW-PROFILE HANDLE
Durable, coated handle for easy pouring and carrying
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LIGHTWEIGHT
Flexible design makes it so light and compact, you’ll forget it is in your pack



















Seeker™ 3L
ULTRA-LIGHT WATER STORAGE

Shipping $45+

Returns

Guarantee
Get out and stay out. The Seeker 3 L is a durable, ultra-light hydration storage system for all your long haul excursions. A weather-resistant pour handle, and two side lash points for hanging or pack attachment make it the perfect backcountry tool. You can freeze it to use as an ice pack or keep it in your camp kit for your go-to filter bag. Adventure seekers, this one is for you.
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PACKABLE
Fold or crush to collapse down and pack into the included storage bag
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FILTRATION COMPATIBLE
Filter more water in the backcountry, most 42mm threaded filters screw on to top
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LOW-PROFILE HANDLE
Durable, coated handle for easy pouring and carrying
-
LIGHTWEIGHT
Flexible design makes it so light and compact, you’ll forget it is in your pack



















Seeker™ 4L
ULTRA-LIGHT WATER STORAGE

Shipping $45+

Returns

Guarantee
Go the distance with our high-capacity Seeker 4 L. The flexible coated handle allows for easy pouring and carrying. It packs away nice and easy. Its streamlined shape fits in a wide variety of packs, whether strapped to the outside or inside a pack pocket. Pairing volume with performance.
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PACKABLE
Fold or crush to collapse down and pack into the included storage bag
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FILTRATION COMPATIBLE
Filter more water in the backcountry, most 42mm threaded filters screw on to top
-
LOW-PROFILE HANDLE
Durable, coated handle for easy pouring and carrying
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LIGHTWEIGHT
Flexible design makes it so light and compact, you’ll forget it is in your pack
- Compatible with most 28mm threaded water filters
- Fits HydraPak Plug-N-Play Cap and Quick & Inline Connectors – ¼ in. diameter fitting
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WEIGHT
6.3 g / 0.2 oz -
DIAMETER
6 mm / 0.25 in -
MATERIALS
POM, NBR