Hi Lela,
We are here to assist you with your fridge.
Please see page 48 of the user manual for steps on how to replace the water filter.
https://downloadcenter.samsung.com/content/UM/202407/20240731002009024/SBS_RS5300T_F-Hub_DA68-03958D-07_EN-MES-CFR.pdf
We can purchase the water filter compatible with this fridge on the link below:
https://www.samsung.com/us/home-appliances/home-appliances-accessories/refrigerators/haf-qin-refrigerator-water-filter-haf-qin-exp/
Should you still need support, please don’t hesitate to reach out to us through the channels below.
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
When you message us, provide us with this reference number (1148297198), and it will help our team pull up your information.
^Rodel