WATERRO SLIM 40″ PP CARTRIDGE – 5 µm The WATERRO SLIM 40″ PP cartridge – 5 µm is a high-performance melt-blown polypropylene mechanical filtration cartridge designed to remove mechanical impurities from cold water. It effectively captures sand, rust, sludge and other suspended impurities, protecting reverse osmosis membranes and water treatment systems. The cartridge is made of 100% food-grade polypropylene and is compatible with all standard Slim 40″ filter housings. Technical specification Parameter | Value Product | PP mechanical filtration cartridge Model | SLIM 40″ PP – 5 µm Filter type | Mechanical filtration Material | 100% polypropylene (PP) Construction | Melt Blown Filtration accuracy | 5 µm Size | Slim 40″ Water type | Cold water Compatible housing | Standard Slim 40″ filter housing Application | Mechanical water filtration Brand | WATERRO Main advantages 100% melt-blown polypropylene construction 5-micron filtration accuracy High dirt-holding capacity Low pressure drop Protects RO membranes and water treatment equipment Compatible with Slim 40″ housings Easy replacement