2.5 Gal Ultra Large Capacity： This large capacity smart pet water fountain a perfect fit for all breed dogs cats and especially for large dogs, keeps your pet hydrated, helps them prevent kidney& urinary tract disease and reduces the frequency of refill for you. The Kastty dog water fountain is a great helper for large dogs& multi-pet households. Three Flow Designs：The large dog water fountain has 3 modes: 2 faucets waterfall and the gentle fountain. Octagonal free fall water flow and simulation of lotus leaf flow are unique and lovely, the water streaming down the cute faucets on the fountain will draw your pets attention and encourage animals to drink more often. Safe Smart Pump：The pump(P68) is ultra-quiet (below 23dB) and has low energy consumption + an anti-dry burning design + touch safe tech, which gives your pets 100% drinking safety. With the transparent water tank and LED shortage reminder (light turns to red when lacking water) let you see exactly when you need to fill the water fountain. Large Size Filter：The sachets of the filter(L68) is fuller as more active carbon is filled inside, which reinforces the filtering performance to even better(7 inches in diameter, not 3 inches only like most). Water filtered via this Kastty filter is fresh, clean and tastes better. High-quality Material ：All parts of this dog water dispenser are made of high-quality food-grade ABS resin, BPA-free, healthy, hygienic, durable, and easy to open and clean. 【2.5 Gal Ultra Large Capacity】 This large capacity pet water fountain a perfect fit for all breed dogs cats and especially for large dogs, keeps your pet hydrated, helps them prevent kidney& urinary tract disease and reduces the frequency of refill for you. The Kastty dog water fountain is a great helper for large dogs& multi-pet households.