The Katadyn BeFree Water Filter Bottle AC Double Layer 1.0L is the latest generation of BeFree filter bottles, now upgraded with a replaceable activated carbon element, a redesigned cap, and an improved bottle top for enhanced durability and taste.

Perfect for both city travel and backcountry adventures, this 2-stage water filtration system combines a 0.1 micron microfilter and activated carbon to remove harmful bacteria, cysts, and unpleasant tastes from natural and tap water. With a fast flow rate and simple shake-to-clean design, its easy to use without special tools or back-flushing. Built with double-layer thermoplastic polyurethane, the 1.0L bottle is durable, collapsible, BPA-free, and space-savingmaking it an ideal companion for hikers, travelers, and outdoor enthusiasts.

This double layer version is a more rugged option than the base model, with a reinforced double layer flask.

• BeFree 0.1 micron microfilter removes harmful bacteria and cysts lasts up to 1000L depending on water quality
• Activated carbon filter removes bad tastes from natural water sources and chemical tastes from less than stellar tap water lasts up to 200L depending on water quality
• 2-stage filtration works in the city or the backcountry
• Filter has a fast flow rate and is easy to clean without back-flushing or special tools
• Double-layer thermoplastic polyurethane is durable, packable, and easy to clean
• Bottle capacity is 1L
• Flip cap keeps the drinking surface clean
• BPA and PVC free
• Meets or exceeds FDA and EU regulations
• Do not allow the cartridge to freeze after initial use