Help with HOB BH300F skimmer


I have just set up with 90 gallon reef and have had a Reef Octopus BH300F for about 7 years. It has been stored for the last 4 years and I just pulled it out this weekend when I filled the tank. My problem is that one of the two pumps is VERY loud so I know it's time to replace it. It is a Resun King 225F pump. What can I replace the pump with? Can someone please halt me out here. Thanks in advance

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