Skip to main contentSkip to footer
Slide 1 of 6

Overview

This composite filter cartridge is designed specifically for pet water fountains. It features four layers of purification combined with coconut shell activated carbon to intercept hair and impurities, remove odors, soften water, protect the water pump from clogging, and is compatible with various stainless steel pet water fountains. It is easy to replace and ensures that your cats and dogs have access to clean, fresh water.

Replacement filter cartridges for pet water fountains, four-layer composite coconut shell activated carbon filter cotton (8 filter cartridges + 8 square filter cotton).

Model: CW2129
Web Code: 19952236
Sold and shipped by | 3.0 seller rating (11 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty Information

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Four-layer composite filtration structure: Double-layer high-density PP cotton + coconut shell activated carbon + buffer sponge, purifying water in layers.

High-density PP cotton: Intercepts hair, dust, and food residue, blocking large particles of impurities.

Coconut shell activated carbon: Adsorbs odors and residual chlorine in the water, improving the taste.

Bottom buffer sponge: Blocks fine hair and debris, preventing water pump blockage and damage.

Ion exchange resin (advanced version): Softens tap water, reduces limescale, and protects the pet's urinary tract.

Continuous circulating water purification: Compatible with stainless steel pet water fountains, continuously filtering and circulating fresh water.

Universal compatible sizes: Compatible with various oval and square stainless steel pet fountain water fountains.

Purchase tip: Measure the length and width of your water fountain's filter tank before purchasing to avoid size mismatch.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
See our return policy to find specific return information for this product and steps on how to return by mail.