Royal Philips is a household name in the world, ranking 423rd in the Fortune Global 500 in 2018. Philips has a complete range of categories, as early as the 80s of the last century, involved in the water purification industry, with a number of technical patents, water purification strength should not be underestimated, its water purifier sales in China perennial top three. In the water filter industry, Philips also has a relatively good performance.
 
Philips' filter elements are descaling type and ultrafiltration composite filter element, the descaling type is effective in reducing water hardness, and the ultrafiltration composite filter element increases the sterilization effect and has a certain degree of filtration effect on bacteria. Both cartridges use ion exchange resins to filter limescale and the water tastes impeccable. The official advertisement is that it can remove 99% of the residual chlorine, but the actual measurement shows that it can only reach 80%, and the effect is poor.
 
Both WP2801 and WP2807 use descaling cartridges with a water purification of 1.5 liters, the main difference is in the design. WP2801 uses open lid for water filling, while WP2807 is a finger pressure open cap. The WP2801 is not equipped with a filter life reminder device, while the WP2807 has an electronic display to indicate it.
 
WP4210 is better in design, the lid adopts the olecranon shape, which is sharper, and the dust-proof sealing design is designed to avoid secondary pollution, the ABS material has excellent anti-drop performance, and the ergonomic handle design greatly improves the grip. With a water purification of 1.5 litres, it is compact and portable.
 
Philips' products are strong and cost-effective. WP2801 is priced at 399 yuan for a pot of seven cores, while WP2807 is only 299 yuan for a pot of seven cores, and WP4210 is priced at 499 yuan.