Response to I'm not sure which Pentair filter I have. Can you assist me? My filter leaks quite a bit around the middle seal and at the bottom clean out. The bottom o-ring is visibly cracked but the middle seal is fairly new and still leaks alot. I'm not sure if I need to replace parts or purchase a new filter system? My pump is a Waterway SMF-115. My pool/spa is about 8000CF in ground

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