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Installation & Maintenance

We build and maintain beautiful aquariums.

Free Shipping Over £50

Spend over £50 on your order and qualify for free shipping.

Pay by Finance

We offer flexible monthly finance options.

Price Match

Found item from our catalog cheaper? We'll price match it!

Reward Points

As a thank you, we run the Charterhouse Points scheme.

TetraTec External Filters

Tetratec EX1200 Plus External Filter

£104.95
  In Stock
 Add To Cart

Tetratec EX600 Plus External Filter

£74.95
  In Stock
 Add To Cart

Tetratec EX800 Plus External Filter

£82.96
  In Stock
 Add To Cart

Our Bestsellers

Tetratec EX1200 Plus External Filter

Tetratec EX1200 Plus External Filter

£104.95
Efficient external aquarium filter for optimum water quality inside the tank
  In Stock
 Add To Cart
Tetratec EX800 Plus External Filter

Tetratec EX800 Plus External Filter

£82.96
Efficient external aquarium filter for optimum water quality inside the tank
  In Stock
 Add To Cart
Tetratec EX600 Plus External Filter

Tetratec EX600 Plus External Filter

£74.95
Efficient external aquarium filter for optimum water quality inside the tank
  In Stock
 Add To Cart


TetraTec External Filters

TetraTec EX filters are robust, easy-to-use, and offer state of the art technology at great value. They offer superior filtration over traditional filters, helping to make maintaining your aquarium easier, and improving the environment for your fish.


Why our delivery is awesome!

Just a few reasons why Charterhouse are the industry leaders

1 Hour Delivery Slot

We provide a 1 hour delivery slot for all Premium Next Day delivery services. No more waiting in all day.

SMS And Email Notification

Your delivery slot will be text and emailed to you. You can then submit a different day or request the parcel is left with a neighbour.

Weekend Deliveries

We now offer deliveries on both days of the weekend. These services can be selected at checkout.

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Free Shipping Over £50

Spend over £50 on your order and qualify for free shipping. Next day and timed services available.

Find out more

Pay by Finance

We offer flexible monthly finance options. Credit is subject to application and status.

Find out more

Reward Points

As a thank you, we run the Charterhouse Points scheme. Earn points on every order.

Find out more