Cat Water Fountain Filters, 8 Pack Pet Filters with 8 Sponges for Stainless S… on July 13, 2026 July 25, 2026 【Compatibility】Our cat water fountain filters are compatible with different models of stainless steel 67oz/2L, 108oz/3.2L and 135oz/4.0L faucet-shaped pet water fountains.