❗Attention: The Green version does not have the original plastic hard case on the bottom❗Plastic-Reduced Design! Reduced Plastic by 100%! Every Filter Saves the Planet a Little More. Perfectly compatible with Petkite E versweet Solo 2/Solo SE, E versweet 3 Pro/2S/3 —offering the best value pet water fountain filter replacement for the newest version available on the market Multi-Layer Filtration System: Enhanced filtration performance with multiple filter layers. Includes a high-density microporous filter to capture hairs and residue; activated carbon layer to eliminate chlorine and odors; ion exchange resin to filter out heavy metals known to cause kidney stones; Less Plastic, Purer Water, Happier Cats. Attention: Soak the new pet fountain filter replacement in clean water for at least 10 minutes before use. Replace every 30 days under normal conditions (replacement may vary based on filter condition or usage environment) After replacing the filter for cat water fountain, press and hold the button for 5 seconds until the filter indicator light turns off to reset the filter's service life Package Includes: 10 PCS of cat water fountain filters, 10 PCS of replacement foam pump filters, and 1 PCS cleaning brush, providing a comprehensive solution for all your needs. We recommend cleaning the water fountain and changing the water once a week to protect the water pump and filter and ensure that the water does not become contaminated due to external factors Warm Tips: If you notice a small amount of carbon dust inside the water tank, pour out the water and replace it with clean water. The filter uses food-grade coconut shell activated carbon, which is safe for pets.ANY ISSUE, FEEL FREE TO REACH OUT TO US Enhanced Water Filtration for Pet HealthFilter Unit Green filter for cat water fountain is perfectly Compatible With e versweet 2s, e versweet 3, e versweet 3 pro, eversweet solo 2 and solo se, and cat dog water fountain.This pet fountain filters offers an economical and efficient replacement solution, aligning with the latest advancements in water purification technology for pet fountains. It’s an ideal choice for owners looking for a universal solution that maintains a clean, healthy hydration source for their pets.Cat water fountain filters replacement is dedicated to Pet Safety and Hygiene，Our filters use only the highest quality, food-grade materials, ensuring that your pet's health is never compromised.Equip your pet’s water fountain with our top-tier Filter Unit Green and observe a noticeable improvement in water quality and pet satisfaction.