HydraPak Ultraflask+ Filter Cap 42mm water filter for HydraPak

Product description

Water Filter Cap with High-Flow Valve – Fits All HydraPak 42 mm Bottles

The HydraPak Ultraflask+ Filter Cap is a lightweight and effective filter that screws directly onto all HydraPak bottles with a 42 mm opening – such as Ultraflask, Skyflask, and Stow. You drink directly through the integrated Blaster™ valve that automatically seals after each sip to prevent leaks.

The filter uses hollow fiber technology and removes 99.999% of waterborne bacteria and 99.9999% of parasitic cysts according to HSF 42 standard. A smart and compact filter that is perfect for running, hiking, trail races, or as a backup in your emergency preparedness.

NOTE: This is only the filter cap – bottle not included.

Features

• Efficient water purification: Removes 99.999% of bacteria and 99.9999% of parasites (HSF 42 certification)
• High-flow valve: Blaster™ bite valve with automatic sealing after each sip – no annoying drips
• 42 mm thread: Fits all HydraPak 42 mm bottles and compatible soft flasks and reservoirs
• Backflush adapter included: Clean the filter with the included adapter – connect to a HydraPak bottle with clean water to restore flow
• Compact and lightweight: Only 36 g – ideal for trail running or lightweight packing
• Protection against freeze damage: Store close to the body in cold weather to protect the hollow fiber membrane

Specifications

Weight:	36 g
Thread size:	42 mm
Material:	ABS, POM, silicone, hollow fiber
Filtration technology:	Hollow fiber membrane

Care Instructions

Avoid allowing the filter to freeze – ice can damage the membrane. In subzero temperatures, the filter should be carried close to the body, such as in a pocket or vest.

Give feedback on this product description