Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains Petlibro PETLIBRO pet litter box filter set for cat, white tray insert with round hole and black foam pad accessory
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Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains
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Dockstream Replacement Filter
Subscribe 30% off for 1st order, 10% off for recurring orders
$26.99
$31.98
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Free shipping $75 +
Standard shipping for the contiguous United States:
$3.99 for orders under $10
$5.99 for orders between $10–$34.99
$9.99 for orders between $35–$74.99
Free for orders over $75
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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Petlibro replacement filter set with white rectangular plastic frame and black porous sponge for pet water fountains
8-Pack Filters
$26.99
$18.89
Subscribe to auto-delivery and keep mealtimes fresh without the fuss.
One-time
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
Subscribe to auto-delivery and keep mealtimes fresh without the fuss.
One-time
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
One-time (No subscription)
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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 06/14 - 06/17/2026
Swift delivery, get it by 06/14 - 06/17/2026
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$26.99
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Details
PURCHASE
OVERVIEW
FAQ
REVIEWS
Compatible Devices
Dockstream 2 Smart Fountain
Learn More
Dockstream 2 Smart Fountain
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Dockstream RFID Smart Fountain
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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.
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.
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.
How subscriptions work
How subscriptions work
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 $75 - Free; Orders $35-$74.99 - $9.99; Orders $10-$34.99 - $5.99 ;Orders $0-$9.99 - $3.99

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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