Aqua Forte Ultra-Sieve 3 with 3 x 110mm Inlets

The most trustworthy pre-filters available are UltraSieve filters.
This is mainly because to the straightforward construction and one moving part.
The pre-filter is fairly simple to maintain but does not self-clean.
The debris can be removed by opening the sliding valve.
The stainless steel filter element in the UltraSieve pre-filters never has to be changed.
The water falls directly through the sieve because of the triangular stainless steel rods at a 7° angle, but the debris is left behind.
The fact that the material is actually removed from the water circulation is a significant benefit of this theory.
Because waste items are no longer polluting the water, this is very advantageous for the quality of the water.


Ponds' best pre-filter in terms of effectiveness

Reliable!
only one moving component

Waste is immediately separated from the water circulation by a stainless steel filter element

no sound

Zero water loss

Waste can be recycled entirely.

very simple to keep up

Excellent for swimming ponds!

Market leader for more than 15 years already.

Is delivery free?

We offer free delivery on the majority of our products over £50. This excludes live fish and bespoke filters. Delivery to UK mainland addresses is £3.95 as standard, or £6.95 for express.

How do I return a product?
Get in touch via email or phone and let us know your problem, we will then help as much as possible. A postage address will be given for you to return the product back to us, and postage will be refunded where applicable to our terms and conditions, which are in line with consumer rights.

At Steel City Koi, we offer a wide range of safe and secure payment options when shopping with us.

Accepted payment methods:

Debit/Credit Cards (Inc American Express)

BACS (for faster dispatch of products) please get in touch for this

Cash upon collection *only for live fish

Pay Later options currently include Klarna and Clearpay