Triple-Stage Filtration for Water Quality Improvement. Each filter has a 3-stage design with micro-porous ceramic, activated carbon, and specific filtration media to help reduce sediment, chlorine, odours, taste, and common impurities. Micro-Porous Ceramic Barrier (0.2–0.5 Micron) The ceramic shell acts as a physical barrier against fine particles, dirt, rust, and cysts, ensuring cleaner water. Activated Carbon Core Helps to reduce chlorine, chemical taste, odours, and organic compounds, enhancing the flavour and clarity of drinking water. Compatible with All Stefani Gravity & Bench-Top Purifiers Designed as a replacement for Stefani ceramic candle systems. Suitable for Stefani Terracotta, Stainless Steel, Plastic Gravity Units, and most universal candle-type gravity purifiers. Australian Water Filtration Brand Stefani has been providing water filtration solutions in Australia for over 40 years, known for their reliable technology suited to local water conditions.