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Rossmont Mover MX4100 Circulation Pump (2-Pack)

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Product Description

 INCLUDES TWO OF THE Rossmont Mover MX4100 Circulation Pumps


It is the stream pump for marine and freshwater aquariums with the smallest dimensions in the world among its category.

Very high performances with low power absorption.


Freedom in positioning thanks to the magnetic support for glasses up to .59in (or .75in) and the 6ft long cable.

Maximum flexibility of use with the spherical joint for one hand pump directioning.

Concentrator nozzle to reduce the flow angle from about 120° to 60° and protection grid for small fishes.


Maximum silentness with the innovative technology VAS.

New auto cleaning system ACS for maintenance reduction and brush for cleaning included.

New axial rotor with an extremely turbulent and wide flow that recreates with fidelity the natural marine currents.


3 years warranty.  Designed, realized, assembled and tested in Italy.

Developed to operate 24/24h with the possibility to connect it to a timer for on/off cycles.


Choosing the right Mover

M Series specifies a precise range of pumps with same external dimensions but with different performances. The range is divided in 8 models, from
900gph up to 4100gph.

How to choose then the right model?
  Let's try to simplify this choice. First of all, a general advice to remember: it's better to produce waves and currents by many points instead of a single stronger point.


Gal Models advised table

The table above shows optimal values and it has to be considered an indication only. Each Aquarium has to be specifically evaluated in order to find the right equilibrium on the basis of quantity and kind of inhabitants.

*Available also ADVANCED SYSTEM PACKS including 2 pumps


The rotor – The technical heart

The future is in the hands of dimensions and technology.

In this small component, each construction line has been designed for its technical purpose with the aim to keep it compact, strong and very silent during operation.

Realized with auto-lubricating technical plastics, with a food-approved stainless steel core, the rotor mounts high precision ceramic bearings, coupled with a shock absorber (made of vulcanized rubber) that eliminates vibrations and allows the startup always in the correct sense, in a silent and safe way.

The external locking disc that contains these parts, permits a quick extraction of the rotor assembly but it's also a protection in case of accidental falls.

Low energy

Moreover, particular attention should be dedicated to the propeller: drawn on the motorboat principles, it has been studied to create autonomously a turbulent and very wide flow perfect for this application and capable to move huge masses of water maintaining a low energy consumption.


This last factor means also that the pump transmits a very low quantity of heat to the surrounding ambient and so it prevents the increasing of Aquarium temperature.


Everything in the future will be always smaller and more compact.


The future for us is already begun.


ACS – Auto Cleaning System

Singularly, all the parts that form Mover have an extreme technical level, but what is truly important it's their position inside the product.

The Auto Cleaning System it's a set of windows and openings positioned in particular points of the pump. By a specific path, the water recirculates correctly in a forced way and eliminates the residual air inside, thus lubricating and cleaning continuously every part of the pump that normally would consume rapidly due to debris, calcium deposits or salt.

In this way, the frequency of maintenance is considerably reduced and the life of the product increases exponentially.

Thanks to this system, the product is guaranteed for 24h operation without any particular attention, both in marine and freshwater aquariums.


Maintenance – The small cleaning brush

Another point of strength of Mover is that it doesn't need any particular maintenance, thanks also to ACS technology. But how many times it happens to not know how to clean a pump? To solve this question, we have included as standard equipment a specific brush that can arrive everywhere, thanks to its small dimensions and its practical handle.

Then for the ordinary maintenance it's enough to remove the front chamber and the rotor assembly and to use the brush right after having soaked it in vinegar or lemon juice; after a rinse the job is concluded.

The magnetic support – Freedom in positioning

Safety must be a priority for every product.

Mover M series comes originally with a magnetic support that allows the free positioning in every point of the tank and guarantees a stable hold for glasses up to 15mm/0,59in (M models) and 19mm/0.75in (MX models) of thickness (this measure covers the main models of tanks in commerce).

But we've gone beyond: the part of the support in the water has been conceived smaller than the external one. The advantage is the maximum freedom in positioning of Mover also in narrow spaces inside the Aquarium and in case of thicker glasses, it's enough to substitute only the external part with the optional accessories suitable for glasses up to 19mm (0,75in) and 25mm (1in).


Moreover, thanks to the practical spherical joint on the internal part of the support, it's possible to rotate in 3D the pump for the orientation in the desired direction by using only one hand.


This is an important feature that places Mover in a well defined category of products.

Compact support

Mover MX3000 Specs:

Stream pump for marine and freshwater aquariums
Flow rate: 4100 gph
Rated voltage: 130VAC - 60Hz
Power absorbed: 29W
Cord length: 6ft
Magnetic support for glasses up to 19m (0.75in) thick

Included in the box, in addition to the pumps, as standard equipment we supply:
- Concentrator nozzle MX
- Protection grid MX
- Cleaning brush

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