Self-cleaning filters retain all unwanted substances suspended in the water, such as sand, limestone scales and iron oxide. The HOT version (manual type only), available from 3/4’‘- 1’‘ – 1-1/4’‘, can be used with hot water up to 80°C, equipped with a black Grilamid glass certified for drinking use, solves problems related to pressure fluctuations and hygiene related to algal proliferation.Choice of cartridges with 25, 60, 100, 200-, 300-, 500- and 1000-micron filtration grades. The cartridge can be easily washed by acting on the drain valve, thus guaranteeing the filter’s efficiency over time.