DayCap Filter Replacement Size:One Size The whistle integrated in the

The whistle integrated in the elastic headband allows the user to signal an emergency

water-repellent and engineered with a touch of stretch to keep you comfortable as you hike

Direct inject construction for durability

routinely lubricate your zipper with

DayCap Filter Replacement Size:One Size The whistle integrated in theThis replacement filter cartridge is the same high flow and effective hollow fiber filter that came with your original DayCap In Bottle Filter. Right out of the box its ready to twist into place and deliver fast, safe, and easy access to clean drinking water. _____________________________________________________