1 / 6AONBOY S3-12+12 Cat Fountain Filters, 12 Filters and 12 Sponges
AONBOY S3-12+12 cat fountain filters are replacement cartridges and pre-filter sponges listed for the AONBOY S3-SC stainless-steel fountain. The set includes 12 carbon filters and 12 sponge filters, with a layered design intended to catch larger debris and reduce odours. Compatibility is model-specific, so check your fountain before ordering.
At a glance
- Set contains 12 carbon filters and 12 sponge pre-filters, according to the listing.
- The sponge is described as catching larger debris such as hair and food particles.
- The carbon-filter layers are described as including cotton, activated carbon and ion exchange resin.
- Listed as compatible with the AONBOY S3-SC 108oz/3.2L fountain.
Often bought together
Pros and cons
Pros
- A 12-and-12 replacement supply provides separate sponges for pre-filtering larger debris and carbon filters for the fountain’s deeper filtration stage.
- Customer feedback reports good fit and straightforward filter changes, which may be useful for routine replacement.
Technical specifications
6 specifications| Brand | AONBOY |
|---|---|
| Model | S3-12+12 |
| Power configuration | Gravity Powered |
|---|
| Dimensions listed | 23 x 23 x 11.8 cm; 230 g |
|---|---|
| Weight listed | 230 g |
| Material listed | 12 Filters +12 Sponges |
|---|
What to know before buying
- Soak and rinse each filter for 5 minutes before use. The listing recommends replacing carbon filters every 2–4 weeks and sponge filters every 1–2 months.
Listing details to confirm
The listing describes this as a filter-and-sponge set, but its included-components field says “Plug.” Its colour and material fields also conflict with the product being replacement filters. Confirm the selected listing and contents before ordering.
What’s in the box
- 12 carbon filtersCheck selected pack
- 12 sponge filtersCheck selected pack
- PlugCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- Owners of the AONBOY S3-SC fountain seeking its listed 12-filter, 12-sponge replacement set.
- Cat owners who want a separate sponge stage for catching larger debris before water passes through the deeper filter.
Less suited to
- Owners of fountains other than the stated S3-SC model unless they have confirmed compatibility.
- Buyers looking for a complete water fountain rather than replacement filter parts.

Customer reviews on Amazon
- 5 stars
85% 85% - 4 stars
10% 10% - 3 stars
4% 4% - 2 stars
1% 1% - 1 star
0% 0%
Customer feedback reports positive impressions of fit, filtration, ease of changing filters and perceived quality. Those points matter for a replacement set that must match the fountain and be changed periodically. The listing’s stated S3-SC compatibility and replacement intervals are product claims, not proof of performance, and the available feedback summary does not establish results for every fountain or household.
Positive themes
- Customers are reported to appreciate the fit and ease of changing the filters.
- The feedback summary describes positive impressions of filtration and product quality.
Frequently asked questions
Which fountain is this set listed for?
The listing names the AONBOY S3-SC stainless-steel cat fountain, described as 108oz/3.2L. Check your fountain model before ordering.
What is included in the filter set?
The product title and feature text describe 12 carbon filters and 12 sponge filters. The included-components field separately says “Plug,” so confirm the package details on the selected listing.
How often should the filters be changed?
The listing recommends changing the carbon filter every 2–4 weeks and the sponge filter every 1–2 months.
Should the filters be rinsed before use?
Yes. The listing recommends soaking and rinsing the filter for 5 minutes before use.

Alternative options

24 Pack Cat Fountain Filters (12 Filters & 12 spongs) | Three-Layer Filtration, Compatible with 67 oz/2 L, 101 oz/3 L, 108 oz/3.2 L and 4.0 L/135 oz pet water fountain
$19.99

Veken Cat Fountain Filters, 8 Filters & 8 Sponges, Fits 3.2L/108oz models | Less Upkeep, Fresher Water: Captures Debris And Helps Reduce Chlorine, Odors, Biofilm And Scale Buildup; Lasts Up To 4 Weeks.
$26.99

12+12 Pack Cat Water Fountain Filters for 3.2L & 2L Fountains | for 3.2L/108oz & 2L/67oz Pet Water Fountain, Three-Layer Filtration Replacement Filter, Package Amount for 6 Month
$16.99

Cat Fountain Replacement Pump SMA-800 Submersible Motor | Bottom Water Intake, Blue LED Light, USB Powered, Only 40dB Quiet Operation & Low 1.5W Power Consumption
$18.99

GIOTOHUN Cat Water Fountain Filter: Cat Fountain Filters - Pet Dispenser Replacementfilter - Suitable for Stainless Steel Water Fountains for Cats - 12 Filters + 12 Sponges of Dog Dispenser
$29.99

Veken Innovation Award Winner Stainless Steel Cat Water Fountain 3.2L/108oz | 4 Filters, 4 Sponges & Mat, Automatic Pet Fountain Dog Indoor Bowl Dispenser, Tidy Floors, Quiet, Silver, Gifts for Christmas
$39.99

AONBOY Cat Water Fountain Filters, 6 Filters + 6 Sponges, Suitable for AONBOY Pet Fountain F2
$19.99

Hill's Science Diet Kitten Canned Cat Food Healthy Cuisine, Roasted Chicken & Rice Medley, 2.8 oz, 24 Pack wet cat food
$71.79

Hill's Science Diet Kitten Canned Cat Food, Liver & Chicken Entrée 24 x 156 g Can
$107.76

Hill's Science Diet, Wet Kitten Food, Chicken Recipe, 79g x 24 Pouches | Hill's is Recommended by 9 out of 10 Canadian veterinarians. Formulated for Long, Healthy Lives.
$16.47

24 Pcs Cat Water Fountain Filters, 12 Pack Filters 12Pack Pre-Filter Sponges Replacement Compatible with VEKEN® for 95oz/2.8L, 67oz, 135oz Automatic Pet Fountain Dog Water Dispenser
$17.99

























