About This Precision Fit for Glass Dispensers — Engineered exclusively for 90oz/2.7L automatic glass pet water fountains; maintains optimal pump performance and steady water flow without leaks or noise 4-Month Starter Supply — Includes 4 replacement filters + 4 pre-filter sponges; perfect for single-pet households or first-time buyers testing filtration benefits (replace every 3-4 weeks) Multi-Layer Filtration System — Layered filtration design: activated carbon enhances water palatability for picky drinkers; ion exchange resin conditions water quality and reduces mineral buildup; sponge pre-screen traps hair and debris to protect pump performance Encourages Healthy Drinking Habits — Better-tasting water motivates cats and small dogs to hydrate more frequently; supports natural kidney function and overall pet wellness without medical claims Effortless Maintenance — Quick-rinse activation before first use; simple drop-in installation with no tools required; keeps your pet fountain running like new Overview Color : Blue Material : Plastic Brand : ITSCUTE Product Dimensions : 2.1'L x 4.6'W x 3.9'H Capacity : 5.6 Pounds