Oase FiltoClear 31000 Pressurised Pond Filter

Product Code: 77791

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As the largest from their impressive range, Oase's FiltoClear 31000 pressurised pond filter is able to provide clean and clear water to ponds without fish up to 31000 litres in volume, 15000 litres for Goldfish ponds or 7500 litres for ponds containing Koi Carp.

This innovative and patented filter system was designed in Germany by experts in their craft. It makes use of both mechanical and biological filtration to deliver clear and clean water back to your pond day in and day out.

The main bulk of the filtration is carried out by the included filter foams that have been designed to catch varying sizes of debris. You'll receive 2 fine red foams, 2 coarse blue foams and 1 medium graded purple foam all of which are easy to replace and even easier to clean. To clean them, all you need to do is turn the 2-way valve to face the waste outlet (otherwise you'll eject waste back into your pond!) before pulling on the handle located on the top of your pressure filter. This will squeeze the foams to rid them of their sludge.

Another vital aspect of this clever filter system is the use of a 60 Watt UVC (ultraviolet clarifier). This UVC will cleanse your pond's water of green algae and bacteria, providing further cleanliness to your pond. What's more, you don't need to dismantle or turn off your filter in order to clean or even replace your UVC unit.

Both Oase and ourselves highly recommend using the AquaMax Eco Premium 16000 as it sports an ideal flow rate for the unit without causing any damage. However, you are able to use other pond pumps with a maximum flow rate of 17000 LPH. This pump and filter combo can be purchased together as a set.

The outer casing is manufactured using hardwearing and durable plastic which allows you to partially bury your filter near your pond for maximum discretion so as to not alter the aesthetic of your garden. You can disguise your filter even more with the use of a FiltoCap rock cover, which can be added to your order from the options below, this allows your filter to pose as a natural rock!

The returning pipe can be elevated above the ground and as the unit is a pressure filter, this will create a flow of water back to your pond, waterfall or stream. The inlet/outlet/waste outlet of the filter takes 38mm/50mm (1 1/2"/2") pipe which doesn't come supplied, however, the connections (hosetails) and fittings are supplied.

Key Features

  • German Designed Powerful Pressurised Pond Filter
  • Utilises both Mechanical and Biological Filtration
  • 60 Watt UV Lamp is Easily Replaced Without Turning Filter Off
  • Easy Cleaning of Filter Foams with the Pull of a Handle
  • Optimum Water Flow Ensured by Oase Bypass Technology
  • Simple Directing of Water Flow to Waste Outlet or Pond Outlet using the 2-Way Valve
  • Hardwearing Plastic Housing Allows the Filter to be Discreetly Buried - Disguised Further Using the Optional FiltoCap Rock Cover - Available Below
  • Designed to be Used with the AquaMax Eco Premium 16000 or a Pond Pump with a Maximum Flow Rate of 17000 LPH
  • Includes 2 Blue Coarse Filter Foams, 2 Red Fine Filter Foams and 1 Purple Medium Grade Filter Foam
  • Includes 230 Volt, 60 Watt Integral Ultraviolet Clarifier
  • Includes 2 Year Manufacturer's Guarantee, Increased to 3 Years Upon Completion and Return of the Corresponding Request Card


Brand: Oase
Cable Length: 5m
Diameter: 380mm
For Ponds Up To: 31000 Litres
For Ponds With Goldfish Up To: 15000 Litres
For Ponds With Koi Up To: 7500 Litres
Guarantee: 2 + 1 Years Limited
Height: 728mm
Inlet/Outlet Size: 38mm/50mm , 1 1/2in / 2in
Maximum Flow Through: 17000 LPH
Maximum Operating Pressure: 0.2 Bar
Model: 31000
Number of Foams: 5
Pollutant Indicator: Yes
Recommended Pump: AquaMax Eco Premium 16000
UVC Power: 60 Watts
Voltage: 230V/50Hz
Waste Outlet Size: 38mm/50mm , 1 1/2in / 2in
Weight: 10.3kg (23lb)

PDF Downloads

Oase FiltoClear 31000 Instructions


Oase FiltoClear Demo

Select Your Options

Additional Accessories: FiltoCap Rock Cover

FiltoCap in Grey

FiltoCap in Grey

Suitable for use with the following Oase filters:
Oase FiltoClear 5000
Oase FiltoClear 13000
Oase FiltoClear 19000
Oase FiltoClear 31000

Your Selected Options:

£589.99 inc. VAT

RRP: £804.99

(Saving: £215.00)

Delivery Information

Fast Free UK Delivery on orders over £60.00.*
Smaller orders under £60.00 are subject to a £4.95 delivery charge. Delivery will typically be made within 2 - 3 working days but may be extended during peak times.

We Can Offer Next Day Delivery for £7.95*
To meet our deadline for this service you must order before 11.00am to ensure delivery for the next working day. This excludes weekends and bank holidays.

*Extra charges or restrictions will apply to certain UK postcodes. These include parts of Scotland, The Highlands, Northern Ireland and offshore Isles. Please note Next Day delivery is not available to these locations. Please click here for a full list of postcode exclusions and contact us today for a personalised quote.

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