The Katadyn Active Carbon Bottle Adapter is a versatile and refillable external carbon cartridge designed for use with all filters that have an outlet hose, such as the Katadyn Pocket. This adapter is particularly useful for filling jerry cans with the Katadyn Camp. It enhances the quality of filtered water by reducing chemicals and improving taste and odor, making it an essential accessory for outdoor enthusiasts and travelers. The adapter fits various water bottles and most hydration systems, ensuring compatibility and convenience. Refillable carbon cartridge designed for filters with an outlet hose Enhances water quality by reducing chemicals and improving taste Compatible with a variety of water bottles and hydration systems Ideal for use with Katadyn Camp to fill jerry cans Easy attachment to the end of the outlet hose Weight 59 g (2 oz) Dimensions Length: 5 cm (2) Materials Plastic, activated carbon