Last updated November 8, 2026. How these were picked: from product details and prices published by retailers. We don't claim hands-on testing.
PetSafe Drinkwell Stainless Steel Multi-Pet Fountain
Stainless steel fountain with 5 stream options
Best for: Multi-pet homes that want a stainless steel fountain
- Stainless steel construction, as listed by the merchant.
- Holds 128 oz (1 gallon), a mid-size capacity.
- Offers 5 stream options, so you can pick a water flow style.
Check before buying: At $75.99 it costs more per ounce than the smaller fountain; check the listing for power details.
$75.99 price when listed
Check price at PetSafe →PetSafe Drinkwell Butterfly Pet Fountain
Compact fountain for cats and small dogs
Best for: One cat or small dog and a budget-minded shopper
- Made for cats and small dogs, according to the listing.
- Holds 50 oz, a smaller size that suits a modest space.
- At $27.99, it is the lowest-priced pick of the three.
Check before buying: 50 oz is the smallest capacity here, so it may not suit several pets or a large dog.
$27.99 price when listed
Check price at PetSafe →PetSafe Drinkwell Outdoor Dog Fountain
Large outdoor fountain with 450 oz capacity
Best for: Dog owners who want a big water supply outside
- Designed as an outdoor dog fountain.
- Holds 450 oz, about 3.5 gallons, the largest capacity here.
- Has the lowest price per ounce of capacity of the three.
Check before buying: At $94.95 it is the priciest; check the listing for setup and placement needs.
$94.95 price when listed
Check price at PetSafe →Bottom line
Pick the Butterfly if you have one cat or a small dog and want the lowest price. Choose the Stainless Steel Multi-Pet model for a mid-size indoor option with stream choices, or the Outdoor Dog Fountain if you need a large water supply outside.
Questions
Which of these fountains holds the most water?
The Drinkwell Outdoor Dog Fountain holds the most at 450 oz. The Stainless Steel Multi-Pet Fountain holds 128 oz (1 gallon), and the Butterfly holds 50 oz.
Which fountain is made for cats?
The Drinkwell Butterfly Pet Fountain is listed for cats and small dogs. The listings for the other two don't name cats specifically.
Is there an outdoor option?
Yes. The Drinkwell Outdoor Dog Fountain is listed as an outdoor model. The other two are not described as outdoor fountains.
Which one has adjustable water flow?
The Stainless Steel Multi-Pet Fountain lists 5 stream options. The listings for the other two don't mention stream options.
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