Quick Summary
The Finest-Filters aquarium heater is a 35W submersible preset heater for a 30L tank. It is preset to 25 degrees and uses a UK 3 pin power plug.
This heater is designed for small tropical fish tanks and comes with suction cups for placement inside the aquarium.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Finest-Filters, which helps confirm the exact product line. |
| Product type | Submersible preset aquarium heater for tropical fish tanks. |
| Power | 35W, so the heating capacity is set for the stated tank size. |
| Tank size | For a 30L tank, which is the main fit check before choosing an offer. |
| Preset temperature | Preset to 25 degrees, so there is no user-set temperature range mentioned. |
| Plug type | UK 3 pin power plug. |
| Fitting | Supplied with suction cups for submersible placement. |
What to Compare Before Buying
- Tank size: This model is for a 30L tank. Check that your aquarium matches the stated size before choosing it.
- Power: The heater is 35W. Compare that with the size of the tank you want to heat.
- Temperature setting: It is preset to 25 degrees. Choose this version only if that fixed setting suits your aquarium needs.
- Plug type: It uses a UK 3 pin power plug, so the mains setup needs to match.
Compatibility, Size and Fit
The key compatibility check is aquarium capacity. This version is intended for a 30L tank, while the wider range mentioned for the heater family is 10L to 60L across the available sizes. The heater is submersible and comes with suction cups for positioning inside the tank.
Before You Decide
Confirm the tank size, the fixed 25 degree setting and the UK 3 pin plug before choosing an offer. If your aquarium needs a different capacity or an adjustable temperature control, a different version should be considered.





