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Petlibro Multi-Cat Feeding pet feeder for multiple cats; rfid cat feeder for portion control, proof of feeding, reliable WiFi, camera
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Petlibro replacement filter shown in hands by boxes; for pet feeder for multiple cats, rfid cat feeder, smart camera proof, portion control wifi reliability research
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Dockstream Replacement Filter
Keep every sip fresh and clean.
$26.99
$31.98
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Shipping & Support
Free shipping $99 +
Standard shipping for the contiguous United States:
$5.99 for orders under $34.99
$9.99 for orders between $35–$98.99
Free for orders over $99
Orders should arrive in 5-8 business days (plus 3 days during holidays). Check the product page for pre-order shipping dates. Learn more about our shipping policy.
30-Day, Money-Back Guarantee
Enjoy a 30-day return policy when you buy from our official Petlibro websites. Items must be returned with all original packaging and accessories. For returns not related to product malfunction, the cost of return shipping will be deducted from the refund. Learn more about our warranty and return policies.
24-Month, Hassle-Free Warranty
Petlibro offers a 24-month warranty and after-sales support. This warranty does not override any legal statutory warranty.
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Made for PETLIBRO fountains:
Compatible with Dockstream. Official filters ensure a secure fit, steady water flow, and help prevent leaks or pump issues.
Multi-layer filtration:
Features activated carbon, ion-exchange resin, non-woven fabric, and a pre-filter sponge to help remove odors, hair, impurities, and heavy metals.
Supports hydration and pet health:
Fresh, filtered water encourages pets to drink more and stay hydrated while helping keep water clean.
Easy maintenance, optimal performance:
Replace every 2 weeks for best results. Regular changes help prevent clogging and keep water flowing smoothly. More frequent changes are recommended for multi-pet homes.
Subscription made simple:
Set up automatic deliveries so you never run out. Skip, pause, or cancel anytime.
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15% OFF
Limited-time offer
Code: Filter15
20% OFF
Limited-time offer
Code:APPFilter20
15% OFF
Limited-time offer
Code:BLUE15
15% OFF
Limited-time offer
Code:OCEAN15
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30% OFF
Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains
8-Pack Filters
$26.99
$18.89
30% OFF
Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains
4-Pack Filters
$14.99
$10.49
Petlibro PETLIBRO pet litter box filter set for cat, white tray insert with round hole and black foam pad accessory
24-Pack Filters (1-year supply)
$80.97
$68.82
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Choose Package
Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains
8-Pack Filters
Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains
4-Pack Filters
Petlibro PETLIBRO pet litter box filter set for cat, white tray insert with round hole and black foam pad accessory
24-Pack Filters (1-year supply)
Choose Quantity
Swift delivery, get it by 10/17 - 10/20/2026
Swift delivery, get it by 10/17 - 10/20/2026
$26.99
$31.98
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Details
PURCHASE
OVERVIEW
FAQ
REVIEWS
Compatible Devices
Petlibro white pet water fountain; Multi-Cat Feeding pet feeder for multiple cats, rfid cat feeder, smart cat feeder with camera app view
Dockstream 2 Smart Fountain
Learn More
Petlibro white smart pet water fountain with app; pet feeder for multiple cats, rfid cat feeder, smart cat feeder with camera, cat feeder portion control, reliable wifi cat feeder, petlibro vs petkit, best automatic cat feeder reddit
Dockstream 2 Smart Fountain
Learn More
Petlibro rfid cat feeder for multiple cats, Multi-Cat Feeding pet feeder with app Proof of Feeding, reliable wifi cat feeder portion control
Dockstream RFID Smart Fountain
Learn More
Petlibro black smart cat water fountain; Multi-Cat Feeding pet feeder for multiple cats, rfid cat feeder, reliable wifi cat feeder, camera proof of feeding, portion control weight management, petlibro vs petkit best automatic cat feeder reddit Petlibro black cat water fountain; Multi-Cat Feeding pet feeder for multiple cats, rfid cat feeder, smart cat feeder with camera, reliable wifi cat feeder
Better water. Better living.
Filtered water helps reduce impurities that can affect urinary and digestive health. Cleaner water supports better hydration, improved taste, and overall well-being every day.
Petlibro filter layers graphic; Multi-Cat Feeding pet feeder for multiple cats, rfid cat feeder; smart camera proof, reliable WiFi, portion control. Petlibro filter layers graphic; not a pet feeder for multiple cats or rfid cat feeder; fabric, carbon, resin, foam shown in water drops
Advanced multi-layer filtration
Each layer works together to improve water quality, from reducing odors to capturing hair and debris. The result is cleaner, better-tasting water in every sip.
Petlibro filter graphic, replace once a week; Multi-Cat Feeding pet feeder for multiple cats, rfid cat feeder, smart cat feeder with camera Petlibro rfid cat feeder filter graphic for Multi-Cat Feeding pet feeder for multiple cats; replace weekly for reliable wifi cat feeder proof of feeding
Set it and forget it
Set it and forget it
Set up a subscription and stay stocked automatically. Fresh filters arrive on time, so water stays clean without the extra effort.
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How subscriptions work
How subscriptions work
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FAQ
Q: Do cat fountain filters really make a difference?
A: Yes. Multi-layer filtration helps remove impurities, odors, and heavy metals, improving water quality and taste. Cleaner water can also encourage pets to drink more.
Q: Which PETLIBRO fountains are these filters compatible with?
A: These filters are specifically designed for PETLIBRO fountains, including Dockstream and Dockstream 2. Please check your fountain model before purchasing.
Q: How often should I replace my cat fountain filter?
A: We recommend replacing the filter every 2 weeks for optimal performance. In multi-pet homes or with higher water use, more frequent replacement (such as weekly) may be needed.
Q: Why replace filters more often in multi-pet homes?
A: More pets mean higher water use and more hair and debris entering the fountain. Changing filters more often helps maintain performance and keeps water fresh.
Q: Why is my fountain’s water flow getting weaker?
A: Reduced flow is usually caused by a clogged filter, debris buildup, or a dirty pump. Replace the filter regularly to keep water fresh and flowing.
Q: Do I need to soak and rinse the filter before use?
A: Yes. Soak the filter for 5 minutes and rinse thoroughly before installation. This helps activate the filtration materials and prevents carbon dust from entering the water.
Q: What’s included in the package?
A: Each pack includes 8 replacement filters and 8 pre-filter sponges. All components are individually packaged for cleanliness and convenience.
Q: How does subscription work? Can I skip or cancel anytime?
A: With subscriptions, filters are delivered automatically at your selected interval. You can skip, pause, or cancel anytime.
Shipping Policy

1. Standard Shipping: Orders Over $99 - Free; Orders $35-$98.99 - $9.99; Orders $0-$34.99 - $5.99

2. Estimated arrival time is within 8 business days of the customer's order.

3. Pre-orders are subject to the estimated delivery time displayed on the product page.

4. Click here to learn more about our shipping policy.
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