

Along with DQTube Universal for diesel trucks & moving equipment, DQTube also has products for stationary tanks and large fuel storage.



DQTube does not replace inline filters, water separators and many of the additives you currently use. Rather, it complements and improves filtration effectiveness and efficiency. DQTube is an affordable advanced level of protection to clean fuel, clear the tank and keep the inline filtration system operating at optimal efficiency to assure the engine powers your operation at maximum performance.

*Stopping contamination in the fuel tank improves diesel purity and stops up to 90% of water & particles before they enter the fuel line which produces a domino effect of provable benefits.
DQTube has three primary uses:
The only effective solution to filter fuel directly inside the fuel tank
DQTube is an in-tank diesel filter that captures water, dirt, dust, rust, bacteria and other contaminants directly in the fuel tank.

Steve Schultz
DQTube Co-Founder

Christian Rabøl
Co-Founder of DQTube


DQTube Universal
3.5cm diameter/20cm length
150ml water capture capacity
For all moving diesel equipment &
diesel storage tanks <1200 liters with
larger than 1.5-inch openings
DQTube Pro
4.5cm diameter/30cm length
400ml water capture capacity
For stationary diesel tanks with
2-inch openings
DQTube MT
7cm diameter/45cm length
1500ml water capture capacity
For diesel storage tanks with
3-inch+ openings
DQTube LT
8.5cm diameter/105cm length
5 liter water capture capacity
For diesel storage tanks with
4-inch+ openings

Martin Rusevski
Fimaco

Rudolf Mészáros
DQTube Distributor
The proprietary Diesel Quality Technology (DQT) formula inside DQTube captures water quickly & isolates it inside the DQTube as solid gel. The water will remain captured inside DQTube until it is removed from the tank.
In addition to water, DQTube also captures dirt, dust, rust, bacteria and other particles that get into the tank through the vent or the fill.
Diesel is organic, so naturally it will spoil & grow bacteria. Keeping moisture out of your tank is the #1 preservation method for stored fuel
If you own a diesel machine, you store diesel fuel. There is no magic forcefield around your tank, you must maintain the fuel constantly for optimal operation, or you will pay.
Keeping inline filters clear by allowing DQTube to take the heavy burden is the #1 most effective way to assure pure fuel to the injectors & engine.
DQTube reduces in-line filter changes and the need for all biocides and some fuel additives.


Ziad Ayob
President of Africa2B

Jock Sutherland
Pitt Panther Diesel
The design of DQTube maximizes its ability to capture & hold water as well as particles and to completely remove them from the diesel fuel and the fuel tank.
DQTube is designed to work with any accessible diesel tank anywhere in the world. Chose the size that fits your tank opening and let DQTube optimize your fuel and maximize your performance.
Our philosophy is to eliminate things that make problems. If we prevent problems and inefficiencies, we have less to fix and we operate much better. To that, If we remove water and particles at the source (the fuel tank), before it goes into the fuel system; we can make a significant % of wear, filter changes and common diesel problems not happen. This is true for normal, everyday fuel contamination that wears equipment & blocks filters but also for big problems that break equipment and budgets.
As DQTube Engineering Director says, “We never have to fix the problems that never happen. In my career working with the marine industry, the Danish Navy and other diesel operations; I have always sought preventative solutions because it is most cost-effective, it keeps equipment running at optimal performance and makes sure downtime does not interrupt business.”
Our solutions target the source of problems; which is the fuel tank. The fuel tank is where delivery is taken, where fuel is stored, where contamination accumulates and where problems develop. The fuel tank is also the first place for operators to control their operational outcomes. DQTube gives diesel operators the power to fix delivery inconsistencies, improve their fuel quality and protect their tanks from condensation, water-ingress, corrosion and bacteria-growth. DQTube also reduces the need for fuel polishing, fuel additives, biocides & other “fuel medicines” that have damaging side-effects.



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