WATERRO SLIM 20″ PP CARTRIDGE – 1 µm Product description The WATERRO SLIM 20″ PP cartridge – 1 µm is a high-efficiency melt-blown polypropylene mechanical filtration cartridge designed to remove fine mechanical impurities from cold water. With a filtration precision of 1 micron, it effectively retains sand, rust, sediment, clay, limestone particles and other suspended impurities, protecting reverse osmosis membranes, carbon filters and other water treatment equipment. The cartridge is made of 100% food-grade polypropylene and features a depth filtration structure, ensuring high dirt-holding capacity, low pressure loss and consistent filtration quality. It is compatible with all standard Slim 20″ filter housings and is suitable for domestic, commercial and light industrial water filtration systems. Technical specification Parameter | Value Product | PP mechanical filtration cartridge Model | SLIM 20″ PP – 1 µm Filter type | Mechanical filtration Material | 100% polypropylene (PP) Construction | Melt Blown Filtration precision | 1 µm Size | Slim 20″ Water type | Cold water Compatible housing | Standard Slim 20″ filter housing Application | Mechanical water filtration Brand | WATERRO Key advantages 100% melt-blown polypropylene construction 1-micron filtration precision Effectively retains sand, rust and suspended particles High dirt-holding capacity Low pressure loss Protects RO membranes and carbon filters Compatible with all Slim 20″ housings Easy replacement Long service life