INTERNAL FILTER is a two-step filtering system. The first filtering step is carried out by an open cell filter foam and the second by a container which can be filled with activated carbon or other filter media for perfect mechanical, biological and chemical filtration.
Water circulated through the filter is cleaned in two stages: firstly debris and large particles are removed by the foam sponge (mechanical filtration), secondly by filling the media container with either carbon (which enhances purity and clarity of water) or ceramic media (for bacteria colonization which controls the nitrate level).
- Suits fresh and saltwater
- Multi directional flow control
- Built in aeration feature
- Functional media chamber
- Contains foam insert and carbon
The Crystal Internal Filter incorporates a Venturi system for the oxygenation of the water. In order to work correctly the air intake has to be over the water level. The quantity of air can be adjusted by the air ow control knob. The flow can be directed over 90° by rotating the filter unit.
| Model | Power | Flow L/hr | Aquarium size |
| K20 | 5W | 450 | 40-90L |
| R05 | 10W | 650 | 80-150L |
| R10 | 11W | 800 | 120-200L |
| R20 | 12W | 900 | 200-300L |
Speedy Shipping and professional packaging
We offer a wide range of shipping options due to our long-standing relationships with UPS, FedEx and DHL. Our warehouse staff are highly trained to pack your goods exactly as per the specifications we provide. Your items will undergo an exhaustive inspection and adequately secured before being delivered. We deliver to thousands of customers every day in a variety of countries. This shows that we're committed to being the largest online retailer in the world. The distribution centers and warehouses distribution are in Europe and the USA.
Note: Orders containing more than one item are assigned a specific processing time based on the individual product.
Prior to shipment before shipping, we'll inspect thoroughly the items you've ordered. Most orders are shipped within 48 hours. The delivery time should be between 3-7 days.
Returns
The stock is constantly changing and cannot be fully controlled by us because of the involvement of many different parties, such as the factory and our warehouse. Actual stock levels may fluctuate at any time. It is possible that stocks could be depleted after your order has been processed.
The period of time is 30 days. However, if the 30 days have elapsed from the date you purchased the item, we cannot offer you a return or exchange.
To be eligible for a refund the item must be unused and in the same state as when you received it. It should also be in the original packaging.
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