1: Cat Fountain Replacement Carbon Filters are compatible with half Gallon, 1 Gallon, 2 Gallon, Butterfly, Avalon, Pagoda, Seascape, Sedona, Seaside and Creekside Pet Fountains; 2 Filtration: This alternative filter incorporates a cotton layer, activated carbon. It gets rid of hair, debris, odors and different impurities in order that the water constantly tastes brand new and clean; three Sponges: Sponge can stop debris from clogging and damaging the pump, extending its working life; 4 the Filter Regularly: Please soak the filter in water for 5 mins before use and rinse very well under operating water. Replace the cat water dispenser filter as soon as in four weeks in summer and once in 4-6 weeks in iciness to guarantee clean ingesting water. More common changes if a couple of pet is utilizing the water fountain;Comprehensive purification to enhance water quality. To reassure householders and make pets pleased with their drinks. 5 System:Composed of a cotton layer, activated carbon:Cotton layer stops hairs and debris;Activated carbon gets rid of odors and make the water clean and tasty; Colour:Photo Color Material:Non-woven materials Specification: B: eight pcs Package Contents: eight x Water Fountain Filters 8 x Replacement Foam Only the above kit content, varied item should not included. Note: Light reflection and diverse reveals may cause the color of the item in the picture a bit of various from the real thing. The measurement allowed error is +/- 1-3cm.