Effective filtration: quality carbon blocks remove heavy metals such as chlorine and benzene. It also reduces deposits, rust, taste and odor, and sand. materials: natural coconut activated carbon blocks ensure effective reduction of pollutants and improved water taste. Compatible models: compatible with BB06, 060258363241 and most hard sided water bottles, Sport soft sided water bottles and stainless steel filter bottles. Extended life: each filter provides 40 gallons or 2 months of fresh water. For performance, the filter every 40 gallons or 2 months. This depends on your water quality. Why it matters: improves water taste and odor, reduces contaminants, and supports safer hydration on the go. Use scenarios: Outdoors and travel: purify water from unknown sources during hiking, camping, or backpacking to enjoy cleaner water on the trail. Daily hydration: use at gym, office, or school to improve taste and remove common tap water contaminants. On the road: in hotels or shared accommodations with variable water quality, ensure safer, bettertasting water from your bottle. Key benefits at a glance: strong filtration performance with coconut carbon blocks, broad compatibility with multiple bottle types, and a clear replacement interval to maintain water quality.