Usage Tips:Features: PREMIUM MATERIALS: The water bottle filter uses natural coconut activated carbon blocks, ensuring effective reduction of pollutants and improved water taste. Effective filtration: high-quality carbon blocks remove heavy metals such as chlorine and benzene. It also reduces deposits, rust, taste and odor, and sand. Extended Life: Each filter provides 40 gallons or 2 months of fresh water. For better performance, we recommend that you replace the filter every 40 gallons or 2 months. However, this depending on your water quality. Compatible Models: Compatible with BB06, 060258363241 and most hard sided water bottles, new Sport soft sided water bottles and stainless steel filter bottles. PERFECT CHOICE: Our filters are significantly cheaper than filters without sacrificing quality or standards. Our filters are designed to be fully matched and compatible with the filters. name:water filter replacement wight:840g Material: Activated carbon colour: black Package Contents: 10 x water filter replacement Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.