Top Fin Retreat RF-S Filter Cartridges (Small) Refill for Desktop Aquariums with Small Retreat Filters - 8.1in x 1.9in (6 Count)
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Barbara C. Marrs
> 3 dayquality is what is expected
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Evan Granning
Greater than one weekThese work as advertised
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Craig Butler
> 3 dayUsability
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lex
> 3 dayWorks well fits well does the job