Compatibility: The PK-2 refill filters are compatible with FRIGIDAIRE Gallery Models GRMC2273BF, GRMC2273BD, GRMG2272BF, GRMN2872AF, GRMS2773AF, GRMC2273CF, GRMC2273CD. Package includes: Our package includes 6 pack PK-2 refill filters for your daily replacement needs. We recommend replacing the filters every 3-6 months. Easy to operate and can be done with bare hands. Replacement is achieved in three steps: remove the old filter, place it in the fixed slot in the drawer and push in the new filter. The activated carbon filter layer is designed to efficiently adsorb odour molecules in the refrigerator, keeping the air in the freezer fresh and natural for a long time. Customer Service: We prioritize your satisfaction. If you encounter any problems, please contact us right away for prompt assistance. Beaufan 6 Pack FRPAPK2RF PureAir PK-2 Refill Filters Compatible with FRIGIDAIRE Gallery Models GRMC2273BF, GRMC2273BD, GRMG2272BF, GRMN2872AF, GRMS2773AF, GRMC2273CF, GRMC2273CD