Unicel C-9403 fits the following filter models
Waterway Clear Water 150
Rec Warehouse 150 sq. ft. filters
Top is open w/ inside diameter of 5-13/16"
Bottom is open w/ inside diameter of 6-1/16"
This product has no center core
Unicel C-9403 replaces the following filter cartridges:
Waterway Clear Water 150 pool filter 817-0150 (8170150)
Rec Warehouse 111833
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