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Brush prefilter for koi ponds - 400mm (includes brushes)

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PRODUCT DETAILS

Brush Pre-filter for Koi Ponds - 400mm (includes brushes)

Keep Your Pond Filter Cleaner for Longer!

Tired of constantly cleaning your pond's sand filter? The 400mm Brush Pre-filter for Koi Ponds is designed to catch leaves, dirt and larger debris before they reach your main filtration system, helping reduce maintenance and keep your pond filtration running efficiently.

Installed inline between your pond pump and sand filter, this practical pre-filter uses removable filter brushes to trap solid waste and floating debris before they can clog up your sand filter.

The result? Less dirt reaching your main filter, easier maintenance and a more efficient filtration system for your koi pond.

Why You'll Love It

  • Traps Pond Debris: Captures leaves, dirt, solid waste and other coarse particles before they reach your sand filter.

  • Reduces Filter Maintenance: Helps reduce the amount of debris entering your main filtration system, making cleaning easier.

  • Protects Your Sand Filter: Reduces the build-up of larger particles that can contribute to clogging.

  • Removable Filter Brushes: Simply remove the lid, take out the brushes and rinse them clean.

  • Easy to Install: Designed for inline installation between your pond pump and sand filter.

  • Flexible Positioning: Can be installed in an upright or horizontal position to suit your setup.

  • Strong & Sturdy Design: Built for practical, everyday pond filtration.

How Does It Work?

The Brush Pre-filter acts as the first stage of mechanical filtration before water reaches your sand filter.

As pond water flows through the unit, the internal brushes trap larger debris, solid waste and suspended particles.

This prevents much of the unwanted material from reaching your sand filter, helping reduce blockages and unnecessary cleaning.

The collected debris can then be removed by simply taking out the brushes and rinsing them with a hose.

It's a straightforward way to improve your pond's filtration system without adding complicated maintenance.

Ideal For

  • Koi ponds

  • Garden ponds

  • Fish ponds

  • Pond filtration systems with sand filters

  • Removing larger debris before main filtration

  • Reducing sand filter maintenance

  • Improving mechanical pond filtration

Product Specifications

SpecificationDetails
Product TypeBrush Pre-filter
Filter Size400mm
Dimensions520 × 350 × 200mm
Inlet Connection50mm
Outlet Connection50mm
Filtration TypeMechanical Pre-filtration
Filter MediaRemovable Filter Brushes
InstallationInline
PositioningUpright or Horizontal
ApplicationKoi Pond & Garden Pond Filtration
IncludedFilter Housing & Brushes

Easy Cleaning & Maintenance

Keeping your Brush Pre-filter clean is quick and simple.

  1. Switch Off Your Pond Pump: Stop the water flow before opening the filter.

  2. Remove the Lid: Open the filter housing to access the internal brushes.

  3. Take Out the Brushes: Carefully remove the brushes containing trapped debris.

  4. Rinse Clean: Hose down the brushes to remove collected dirt and waste.

  5. Reassemble: Place the clean brushes back inside, secure the lid and restart your filtration system.

Maintenance Tip: Clean the brushes regularly to prevent excessive debris build-up and maintain good water flow through your filtration system.

Installation Information

The Brush Pre-filter is designed to be installed between your pond pump and sand filter, allowing it to catch larger debris before the water enters your main filtration system.

With 50mm inlet and outlet connections, it can be incorporated into compatible pond plumbing setups.

The unit can be positioned upright or horizontally, depending on the available space and your filtration layout.

Less Cleaning, Better Pond Filtration!

A good pond filtration system starts with effective pre-filtration. The 400mm Brush Pre-filter for Koi Ponds helps keep larger debris out of your sand filter, reducing maintenance and supporting smoother filtration.

Whether you're upgrading an existing koi pond setup or installing a new filtration system, this brush pre-filter is a practical addition.

Please Note: Filter brushes are included. Regular cleaning is recommended to prevent blockages and maintain optimal water flow.

MANUAL

Brush Prefilter for Koi Ponds - 400mm (includes brushes)

Brush Prefilter for Koi Ponds - 400mm (includes brushes)

We have a 7-day return policy, which means you have 7 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at shop@waterhouse.co.za.

We deliver via courier and ship daily across the country. Orders typically arrive within 3–5 working days. If there are any unexpected delays, we’ll keep you informed along the way.

Returns
Returns are hassle-free. If you’re not completely satisfied, you can send the item back to us for an exchange, swap, or refund. Products must be returned in their original condition and packaging.

We have a 7-day return policy, which means you have 7 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at shop@waterhouse.co.za. Please note that returns will need to be sent to the following address: [INSERT RETURN ADDRESS]

If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at shop@waterhouse.co.za.


Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.


Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.


Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.


Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at shop@waterhouse.co.za.

Please note: If an item is returned after 7 days of use, a 12.5% handling fee will be deducted from your refund due to the nature of the products.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

Certain types of items cannot be returned, like perishable goods, custom products , and personal care goods . We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Exchanges

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

European Union 14 day cooling off period

Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.

If more than 15 business days have passed since we’ve approved your return, please contact us at shop@waterhouse.co.za.

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