Spec-by-spec
Head to head
Contenders from Automatic Pet Water Fountains, every metric lined up. The winning value in each row is outlined.
PetSafe Multi-Tier Pet Fountain 100oz – Accessible Two-Height Waterer for Senior Pets #3 in Automatic Pet Water Fountains 
Catit Stainless Steel Flower Fountain 3L — Triple-Filter Cat Water Fountain #5 in Automatic Pet Water Fountains Price
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Rating
★★★★★
★★★★★
Category rank
#3
#5
Filtration Quality
—
Triple-action filter system
Reservoir Capacity
100oz – ample for 1–2 pets, 2–3 days typical
3L (101 oz) — multi-pet, days between refills
Pump Noise
—
—
Ease of Cleaning
Top-rack dishwasher-safe; moderate assembly required
Mostly dishwasher-safe, simple disassembly
Verdict
Best multi-tier fountain for senior & arthritic pets
Best premium stainless-steel cat fountain
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