General description Our Replacement Water Filter features two activated carbon filters designed for gravity filtration and outdoor purification. Made from natural coconut shell activated carbon, these filters effectively remove sand, rust, heavy metals, and large sediment particles from water, improving its taste and purity for a more enjoyable drinking experience. Technical specifications Product Name: Water Filter Element Material: Coconut Shell Carbon Size: 5.7 x 24.8 cm Color: Black Package Contents: 2 Filters Usage Each pair of filters can filter up to 20,000 gallons of water, equivalent to saving approximately 4,500 bottles of pure water. These filters are ideal for outdoor adventures, providing reliable access to clean drinking water. Other information Filters have obtained NSF certification, ensuring they meet strict safety standards.