Marina Slim Filter S15 – 57L (15 US Gal)
The Marina Slim S15 Power Filter’s unique compact and slim design provides both practical and aesthetic benefits: it takes up less space than standard size filters and it brings a touch of elegance to your aquarium.
The filter comes equipped with an adjustable flow control so you can adjust the water flow level in your tank. Its motor is submerged in the water and operates very quietly.
Installation and start-up is easy – no priming required. Just plug it in and watch it go! Maintenance is quick, simple and convenient.
The Power Filter includes three filter cartridges: 2 Bio-Carb and 1 Bio-Clear, both containing Ceramitek, a highly porous ceramic filter medium that optimizes biological filtration for a healthy aquarium.
| Specification | Value |
|---|---|
| Filter Capacity | 57L (15 US Gal) |
| Flow Control | Adjustable |
| Filter Cartridges | 2 x Bio-Carb, 1 x Bio-Clear |
| Filter Medium | Ceramitek |
| Motor Type | Submersible |
| Noise Level | Very quiet |
FAQ
Can the water flow be adjusted after installation?
Yes, the filter features an adjustable flow control, allowing you to modify the water flow to suit your aquarium’s needs.
Does the filter require any priming before use?
No priming is required. Simply plug it in and the filter will start working immediately.
How often should the filter cartridges be replaced?
Please contact customer service for information on replacement frequency based on usage conditions.

Lisa Grant –
The filter fits well in my small tank and the slim design looks great. The flow is adjustable and quiet, which is perfect for a bedroom aquarium. I’ve used the Bio-Carb and Bio-Clear cartridges for a few months and they still perform well.
Samantha Edmunds –
Easy to install and runs smoothly without making noise. The ceramic media helps keep water clean and the flow can be adjusted to match my fish’s activity level. A solid choice for a compact setup.
David Johnston –
I was impressed by how compact it is compared to other filters. It doesn’t take up much space and looks elegant. The maintenance is simple and I can clean the cartridges every two weeks without much effort.