💦 Sip Pure, Live Pure! Your water deserves the best. Experience the finest tasting water with every sip. NSF certified for peace of mind in every drop. Pack of 25 ensures fresh water for up to 6 months. Activated charcoal sourced from coconut shells for a sustainable lifestyle. Change filters in seconds with clear visual instructions. Eco-friendly Purifies water 25 filters PurOstill® Official Unbleached Activated Carbon Filters are designed for optimal water purification, effectively removing impurities and odors. Each pack contains 25 filters, providing a 6-month supply for most households. Made from eco-friendly activated charcoal derived from coconut shells, these filters are NSF certified, ensuring high-quality performance and sustainability.