Fresh water, no fuss. The Water Purifying Carbon Filter Straw instantly enhances your drinking experience, reducing chlorine, odours and other impurities for fresher, cleaner-tasting water. Designed to fit your frank green Reusable Bottle with a Straw Lid, it’s easy to attach, effortless to replace, and works as you sip - at home, at the gym, or on the go. Key features: Instantly filters water as you sip Reduces chlorine, odours and impurities for fresher, cleaner-tasting water Filters water sediment, sand and rust particles Easy to attach and replace Designed to fit frank green Reusable Bottles with a Straw Lid Provides up to 150L of filtered water per cartridge (depending on water quality) BPA-free and made with FDA & EU-approved material