PROFINE Zero Y21485B Replacement Filter Kit Prefilter & Postfilter *NEW IN BOX* Actual item shown Brand new in original factory packaging Please make sure this is the correct product for you before purchase Any questions? Don't hesitate contacting us I22 PREFILTER and POSTFILTER to be changed once a year. To change, make sure you have closed the water inlet valve. Open the ZERO cover, unscrew the old filters, insert the new ones, close the cover and reopen the water inlet valve.
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