Hongtek is leading supplier of PP melt blown filter cartridges from China! PP melt blown cartridge filters, also called PP spun bonded filter cartridges are made of 100% FDA approved polypropylene material, without binders, additives and lubricants. PP melt blown cartridge filters are high dirt holding capacity, high flow rate & low pressure drop, good chemical resistance, no fibre release, longer service life and effectively filtration. PP spun bonded cartridges are economical and classical depth filter element, widely used in liquid prefiltration industries such as Industrial Waste Water treatment, Electronic Industry, Plating Solution, Petrochemical Process, Chemicals and Solvents, Pre RO/ID Water Filtration, Sea Water Desalination etc.