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Sera L300 Internal Filter for Fish Tanks

(3 customer reviews)

Original price was: $26.39.Current price is: $17.63.

Sera L300 internal filter purifies water with fine mesh sponge for larval and juvenile fish.

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SKU: BKF0001941279 Categories: , ,

Sera Internal Filter L300

Air operated sponge filter designed for efficient mechanical filtration in aquariums.

These filters function like a mammoth or airlift pump. An air pump pushes the filter into the standpipe via a hose. Air draws aquarium water upward, passing through the fine mesh sponge. The water flows back through the sponge, where it is filtered and purified. Nitrifying bacteria essential for breaking down pollutants settle within the optimized sponge structure.

Key Features

  • Operated by air pump via hose connection
  • Internal filter design for discreet placement
  • Fine mesh sponge provides large surface area for bacterial colonization
  • Effective for filtering small fish and larvae
Parameter Value
Filter Type Internal sponge filter
Operation Air-operated
Best For Larvae and juvenile fish
Material High-quality sponge

FAQ

How does the air-operated mechanism work?

An air pump pushes the filter into the standpipe via a hose. Air draws water upward through the sponge, where it passes through the fine mesh and is filtered before returning to the tank.

Is this filter suitable for small fish and fry?

Yes, the fine mesh sponge allows small fish and larvae to pass through safely while filtering water, making it ideal for rearing juvenile fish.

Can the filter be used with any air pump?

Please contact customer service

3 reviews for Sera L300 Internal Filter for Fish Tanks

  1. Stephen Randall –

    The filter works well with my air pump. My fry have been thriving since I installed it. The water flow is gentle and the sponge stays clean without clogging. Great for small fish.

  2. Harry Cornish –

    I noticed a significant improvement in water clarity. The filter handles the small fish in my tank without causing stress. Easy to set up and maintain.

  3. Joshua Payne –

    Perfect for a breeding tank. The larvae survive longer now. The sponge is durable and the bacteria colony grows steadily over time.

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