Zuankexin 10-Inch Universal Water Purifier Filter Cartridge Pre-Filter PP Cotton Activated Carbon Ultrafiltration Replacement for Household Water Purifier

Heavier and thicker than competitors by 50%

Heavier weight correlates with better filtration efficiency, stronger adsorption, and longer service life

Internal threaded structure

Made of polypropylene fiber filter core (PPF)

Superior pressure resistance and adsorption compared to common market filters

Utilizes triple spray technology to avoid common issues like fiber pulling and collapse

Effectively removes sediment, red worms, iron filings, and other visible impurities

Progressive filtration structure with outer loose and inner tight layers for enhanced contaminant capacity

Innovative grooved design increases water contact area by over 70%, improving filtration area and contaminant holding capacity