Professional development: coffee machine filter contains activated carbon particles, which can effectively reduce scale deposits and soften water quality. The filtered water quality is beneficial to human health. In principle, the filter should be replaced at least every 3 months or according to the requirements of the machine, so that it can be guaranteed The content of chlorine, heavy metals and other harmful pollutants will be greatly reduced. Increase purity: The water filter screen can get out the tiny impurity particles in the water. Effectively filter impurities, retain the microelements needed by the human body in the water, keep the water cycle clean, and provide filtered pure water for adjusting coffee Extend use: The Onelen coffee machine filter elements can increase the service life of the coffee machine and effectively prevent the pipe from being blocked due to the accumulation of scale. COMPATIBLE MODELS: for CA6903 | Incanto: HD89110, HD891311, HD891401, HD891501, HD891601, HD891701, HD891821, HD891831, HD891841, HD891951, HD891955, HD892101, HD892201 | Intelia Deluxe: HD890001, HD890011, HD890201, HD890401, HD890601 | PicoBaristo: HD892401, HD892501, HD892701, SM305400, SM305410, SM306110, SM546010, SM547010, SM547310, SM547810, SM547910, SM557010, SM557210, SM557310 | GranBaristo: HD897501, HD897701, HD897801 COMPATIBLE MODELS: for Exprelia: HD885801, HD885901 | Xelsis: SM758000, SM758100, SM768000, SM768300, SM768500, SM768600 | 3100: EP336000, EP336200, EP336300, EP351000, EP355000, EP355100, EP355110 | 4000: EP401000, EP405010, EP405110 | 5000: EP531010, EP531410, EP531510, EP533010, EP533110, EP533310, EP533510, EP534010, EP534510, EP536010, EP536110, EP536310, EP536510, EP593010, EP593410, EP596010, EP596110 Colour:blue Material:plastic Package Contents: 4 x coffee machine filter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing.