Fisher & Paykel 836848 Comparable Refrigerator Water Filter 3 Pack Fits Fisher & Paykel refrigerator models E402B, E442B, E522B, RF90A180DU Cost-effective alternative to the expensive OEM filter Easy installation and operation Independently Tested NSF/ANSI Standard 42 Fits Fisher & Paykel refrigerator models E402B, E442B, E522B, RF90A180DU