ONLY Compatible with VEKEN® 100oz/3L Pet Water Fountain.
Length is about 4.75 inches. Shortest Width is about 1.75 inch. Longest Width is about 2.13 inches. Thickness is about 0.4 inch.
To prevent the activated carbon dust from shedding into water, please soak the filter in water for 2 minutes then rinse thoroughly under running water before using.
Replace the filter every 1 to 2 weeks in summer and 2 to 4 weeks in winter. If multiple cats are using the fountain, more frequent replacement will be necessary.
Replace the pre-filter sponge every 4-6 weeks.