Photo 1 of Homtyler 6 Pack Replacement Filters and 6 Pack Replacement Pre-Filter Sponges for 4L/135oz Stainless Steel Pet Water Fountain, Multiple Filtration, Easy to Clean and Replace

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Photo 1 of Homtyler 6 Pack Replacement Filters and 6 Pack Replacement Pre-Filter Sponges for 4L/135oz Stainless Steel Pet Water Fountain, Multiple Filtration, Easy to Clean and ReplacePhoto 2 of Homtyler 6 Pack Replacement Filters and 6 Pack Replacement Pre-Filter Sponges for 4L/135oz Stainless Steel Pet Water Fountain, Multiple Filtration, Easy to Clean and Replace