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 |
Fast Shipping & Professional Packing
We provide a variety of shipping options thanks to our long-standing relationships with UPS, FedEx and DHL. Our warehouse personnel will pack all goods to our exacting requirements. Your items will undergo a thorough inspection and be properly secured before they are delivered. Everyday we deliver hundreds of packages to our customers across many countries. This is a sign of our determination to become the biggest online retailer in the world. The warehouses are located situated in Europe in the same way as they are in the USA.
Note: Orders with more than one item will be assigned a separate processing period for each item.
Prior to shipment, we examine the items ordered carefully before shipping. Today, the majority orders will be sent within 48 hours. The delivery time is estimated to be between 3 and 7 days.
Returns
The stock is dynamic and we do not completely manage it because of the fact that many stakeholders are involved, including our factory and warehouse. The actual inventory may change at any moment. It is possible that the stock may run out after the order has been made.
Our policy lasts for a period of 30 days. If you have passed 30 days without a trace since the purchase, unfortunately we can't offer you a return or exchange.
In order to be eligible for a refund your item must be unused and in the same state as you received it. You must have the item in its original packaging.
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