Recommendations For Use: To Prevent Activated Carbon Dust From Dislodging Into The Water, Soak The Cat Fountain Filter In Water For 2-3 Minutes Before Use, Then Rinse Thoroughly With Running Water For 30 Seconds Before Use. It Is Recommended To Change The Filter Once Every 1 To 2 Weeks In Summer And 2 To 4 Weeks In Winter. If More Than One Cat Uses The Fountain, The Filter Needs To Be Changed More Frequently.
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