【Perfect Compatible】Redoso Upgraded filter units set 3.0 with sponges use high-quality genuine materials like original. Perfectly applicable for all kind of PET KIT wireless pump cat water fountains.

【Muti-layer Filtration System】Upgrade filter unit 3.0 has improved filtration function with 4 layer filtration system: High density cotton meston mesh can fliter hairs and residue; Activated carbon particles can remove chlorine and odor; Ion exchange resin can filter heavy metals and improve the taste. Filtered water to ensure your pets always drink the most clean and fresh water.

【Buy One Get 10 Packs】You will get 5-pack of premium pet fountain replacement filters and 8-pack Foam Filter Sponges by one order, which is worth it with such high quality. Foam filter can effective prevention of dust,hair and impurities. Help prolong lifetime of pump and water fountain.

【Note Before Use】Please soak the new filter in clean water for about 5 minutes and rinse it thoroughly under running water before using. Replace every 30 days to keep water clean for your pets. Besides, we recommend that you clean the water fountain and replace water once a week in summer and every 2-3 weeks in other seasons, this will protect the water pump and filter.

【Friendly Customer Service】Please feel free to get in touch with us if you have any questions about our products, we'd like to help you!