Photo 1 of 12pcs Cat Fountain Filters with Pre-Filter Sponges for E versweet 2S/3/3 Pro/Solo/Solo SE Quadruple Filter System 3.0 Replacement Filters

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Photo 1 of 12pcs Cat Fountain Filters with Pre-Filter Sponges for E versweet 2S/3/3 Pro/Solo/Solo SE Quadruple Filter System 3.0 Replacement FiltersPhoto 2 of 12pcs Cat Fountain Filters with Pre-Filter Sponges for E versweet 2S/3/3 Pro/Solo/Solo SE Quadruple Filter System 3.0 Replacement Filters