Charcoal Filter for Water Jugs & Bottles The single filter starter pack is perfect if you just want to try out our bamboo charcoal water filters in your water bottle or jug for the first time.   Naturally Plastic-Free & Biodegradable The starter pack contains one of our quality bamboo charcoal water filters as well as a filter brush, which will provide you with approximately 3 months of fresh, filtered drinking water before it needs to be replaced. Each filter will purify up to 2 litres of water at a time so simply leave it in your jug or water bottle for at least 4 hours and enjoy.    Subscribe and save 35% - filter your tap water for only $1 per week!  Please note: The water jug pictured in the photo is not included.