Compatible: This fountain filter is only compatible with NPET WF050TP transparent pet fountain
Material: Food grade Resin + Activated carbon
Function: Filter pet hair and most other impurities, remove odor.
Color: Two colors will be sent to customers randomly. White + Black + Blue (old) ; White + Black (new).
Size(L*W*H): 4.5 x 1.1 x 0.7 inches (single filter)
Specification: 6pcs per selling box ; 8pcs per selling box.
1. Rinse the filter with water thoroughly before use
2. Replace the filter every 2 to 4 weeks, it depends on filter status.