Diamond Core Large White Bottle Pre-Filter Cartridge Universal PP Cotton Filter for Large Blue Bottle Water Purifier

Needle-punched precision compression process with groove design increases water contact area by over 70%, enhancing contaminant adsorption and flow rate

Effectively removes sediment, sand, rust, colloidal impurities, heavy metals, pathogens, residual chlorine, and organic substances

Food-grade PP material ensures no fiber shedding or linting, superior to recycled plastic filters

Suitable for long-term use to protect family health by preventing exposure to harmful contaminants that may cause developmental and health issues

Heavier PP cotton weight correlates with higher hardness, longer service life, and stronger adsorption capacity

Certified by CIS, CAS, and other relevant authorities

Quality assurance with comprehensive multi-stage inspection

Compatible with various brands of water purifiers

Designed to maintain filtration efficiency under varying water pressure without deformation

Environmentally friendly manufacturing process with strict quality control

Replace filter every 3-6 months depending on water quality and usage

Choose 1 micron filter for areas with relatively clean water

Choose 5 micron filter for areas with high sediment or impurity content to prevent clogging and maintain flow rate