Compatible Model: RO100DS/CEL Post Carbon Filter Enhanced Filtration: With 5 Micrometer pore size, the post-carbon filter helps to improve the taste of water by removing the peculiar smells and odors. Longer Service Life: High-quality and durable filters reduce the number of times they need replacing and cut your running costs. With a lifespan of 12 months, filter replacements will be minimal. Working Pressure: 14.5 to 58 PSI; Working Temperature: 5 to 38°C