Nexus Easy 310 plus Airtech 130 Air Pump

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The most advanced koi filter just got better.....

Perfect for koi ponds up to 34,000 Litres (7500 gallons).

Introduced in Spring 2010 the 310 replaced the bestselling 300 model and features the following improvements over its predecessor:
Pump fed overflow / Gravity fed bypass
New Improved Eazy
Clear Lid for Eazy Section
The Nexus Eazy breaks the mould as far as pond filters are concerned with a revolutionary approach.
Dirty water enters the filter's inner chamber which acts as a vortex allowing larger solids to settle out.
Finer particles get caught in the EAZY chamber full of static Kaldnes biomedia.
Water then flows to the bubbling oxygen-enriched outer chamber, before clean water returns to the pond.
To clean the filter simply turn the direction of air flow (from air pump supplied) from your pond to the filter - The biomedia 'bubble up' releasing the dirt and this dirty water exits to waste.
Once water looks clean simply redirect the flow of water and air back to the outer chamber.
SIMPLE - and no need to get your hands dirty!
No wonder this product has made such an impact on the fishkeeping market, it's simply brilliant.

Features

• Filter shape utilises the force of gravity - acting as a vortex with waste forced out.
• Easy to clean.
• Unbeatable water quality and clarity
• Zero maintenance within Biological stage
• Low running costs
• Easy to install - 'plug and play'
• Small footprint - dimensions 1.43x1.32x1.03m
• Unparalleled value for money
• A 'pleasure' to clean
• Works pump or gravity fed
• Uses scientifically proven technology
• Mechanical and biological stage in one unit
• Biological capacity can grow with your fish