FILTRON

FILTRON Our expertise and quality standards ensure that every FILTRON filter provides reliable protection for automotive, heavy equipment, and specialized devices.

Clio with a V6, or the well-known and much-loved Passat B5 with a W8 engine under the hood. Have you had any of those ca...
18/09/2026

Clio with a V6, or the well-known and much-loved Passat B5 with a W8 engine under the hood. Have you had any of those cases in your workshop? 🧐

Which of these popular models in rarely seen versions have come through your workshop?

Although today’s automotive world can be very generic, just a dozen or so years ago it was easy to find unusual variants of fairly standard models. A factory-tuned minivan with 240 horsepower? Absolutely. A European SUV with a 5.0-litre V10 engine? You’ll find one. A small city Toyota that, in its sportier version, could embarrass more than one larger and more expensive car? Of course! 😉

These unconventional versions of very common models were a kind of hidden gem, proving that engineers also like to break away from the usual patterns, and that automotive is not just business or a way to get from point A to point B. It’s also about emotion. 💙

Although, from a workshop perspective, those emotions were probably mixed when, after opening the hood, instead of a humble 1.9 TDI you were greeted by a W8 engine. 😅 On the other hand, servicing such a standard-but-not-quite-standard car is definitely a memorable experience and a chance to learn something new.

Have you worked on a lot of popular cars in unpopular versions in your workshop? Which one from this list is, for you, the perfect mix of madness and restraint? Or maybe you know some other especially noteworthy ordinary models in extraordinary versions that you’ve come across?

The comments section is yours. 🙂

These statistics and charts look pretty good, but that’s not the point of them. ❌What matters most is that behind every ...
14/09/2026

These statistics and charts look pretty good, but that’s not the point of them. ❌

What matters most is that behind every one of these values there is real significance for the vehicle’s operation and protection, as well as for its users. 🚘

That is why we subject all FILTRON filters we develop to controlled laboratory tests. We check every design element under conditions that reflect real-world loads. After all, what matters is not only what a filter can do straight out of the box, but also how it performs under pressure, humidity, temperature, and the gradual buildup of contaminants. 🔬

Because information about a bypass valve activating exactly when required by the vehicle manufacturer, a cabin filter that traps 6 times more harmful gases than a competitor’s equivalent, or an air filter capable of capturing significantly more contaminants* is proof. Proof of the real performance and effectiveness of the part we produce. 💪

Good filtration does not end with a promise. It should be confirmed in tests — and protect even when the driver does not realize how much is happening under the hood and behind the dashboard. ⚙️
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*Controlled M+H laboratory test comparing the FILTRON OP 616/3 filter with a competitor’s equivalent. The by-pass valve actuation accuracy test confirmed that the operation of FILTRON OP 616/3 complies with the manufacturer’s exact data. Manufacturer requirements vary depending on the model.

*Controlled M+H laboratory test comparing the FILTRON K 1311A filter with a competitor’s equivalent. The n-butane adsorption capacity test showed that FILTRON K 1311A absorbs 595% more harmful gases.

*Controlled M+H laboratory test comparing the FILTRON AP 151/5 filter with a competitor’s equivalent. FILTRON AP 151/5 demonstrated 128% higher performance in the dust-holding capacity test.

11/09/2026

At our stand at the Automechanika trade fair, you can see for yourself how knowledge, experience, and the proper design of a filter translate into real vehicle protection. 🛡️ We are presenting a live test of the anti-drainback valve, which prevents oil from draining back out of the filter after the engine is switched off. ℹ️

Get to know our stand better. ⬆️

We’re checking in from Automechanika in Frankfurt. 📍 And we’re checking in with an interesting filter experiment. At our...
11/09/2026

We’re checking in from Automechanika in Frankfurt. 📍 And we’re checking in with an interesting filter experiment. At our stand at the trade fair, we show how well-made filters protect vehicles in practice. 🛡️ In the wall-mounted, glass display case you can see in the main photo, there are oil filters equipped with anti-drainback valves.These are used in filters mounted on the side or top of the engine block, and the role of such valves is to prevent oil from draining out of the filter after the vehicle is switched off, which would expose the vehicle to dry starts at the next engine start-up.

And while at first glance an anti-drain back valve may seem like just a simple rubber seal, in reality it is a critical component of the entire part that has to be designed properly.

We demonstrate this live. On one side we have a FILTRON filter, where the valve does its job and not a single drop of oil leaks through. 👍 On the other side, we can see a filter from another brand, where the valve clearly fails to maintain a proper seal. This clearly shows how important quality and selecting the right filter for the vehicle are in practice. ℹ️

Are you at Automechanika with your company? Want to see up close how an anti-drain back valve works — and doesn’t work? Visit us:

Hall 3.0, booth D55 (MANN+HUMMEL)

We’re waiting for you! 😊

So, which type of customer do you usually deal with in your workshop? The one who hands over the keys, gives you free re...
11/09/2026

So, which type of customer do you usually deal with in your workshop? The one who hands over the keys, gives you free rein, and just waits for a call saying the job is done? Or maybe the one who assumes that in their car, no filter other than the oil filter ever needs replacing? 🤷‍♂️

An oil service with filter replacement is one of the most frequently performed workshop procedures. And since it’s such a common service, drivers’ attitudes toward it can vary quite a lot. ⬇️

There are those who simply want the job done properly in their car. They change the oil and the full set of filters, choose high-quality parts, and rely on the specialist’s experience. ✅

There are also those who drive into the workshop with a ready-made list and plan, asking only for an oil change and the oil filter, and when it comes to the cabin, fuel, or air filters, they say they’ll take care of them themselves.

And then, of course, there are customers for whom the filter means only the oil filter, and when they hear that the other filters should also be replaced, they turn up their nose, claiming it’s not necessary. At least until they’re shown a worn-out air filter or cabin filter in person. 🙃

Which group of drivers do you most often see in your workshop? And what arguments do you use if someone doesn’t see much point in replacing filters other than the oil filter? Let us know. 💬

Since kids are heading back to school and exams, we thought we’d quiz you too. 🎓But don’t worry — no need to remember fo...
04/09/2026

Since kids are heading back to school and exams, we thought we’d quiz you too. 🎓

But don’t worry — no need to remember formulas or dates. All you need is workshop experience, a bit of technical knowledge and… some attention, because some of the statements may be misleading. 😉

Can you tell which of the statements in our filtration quiz are true and which have nothing to do with reality?

Let us know what’s true and what’s false. Which statement is a filtration myth, and what, although it may seem not so obvious at first glance, is in fact fully consistent with the design and operation of automotive filters? ⬇️

We’re waiting for your answers in the comments. Just don’t peek at the notes from the colleague at the next workstation! 😄

How do we know this level of efficiency? Because we continuously test all the filters we produce and compare them with t...
28/08/2026

How do we know this level of efficiency? Because we continuously test all the filters we produce and compare them with the competition.

And the AP 151/5 is just one example we’d like to share. Since we know that, compared to its competitor equivalent, it lets through more than half fewer engine-harmful particles when new*, it’s time to check what its performance looks like once the filter has already done some work and it’s time for a replacement.

What value would you pick here? Which of the answers shown on the graphic do you think is the correct one? We’re waiting for your comments. We strongly encourage you to leave your guesses there before reading on. ⚠️

3…

2…

1…

Comment left? Then it’s time to lift the veil a little. Although it might seem that a filter’s efficiency should decrease as it wears, that is not the case with the AP 151/5. Laboratory tests, in which the filter was subjected to extreme loads, thereby simulating long-term, month-after-month operation in real road conditions in accelerated form, showed that the tested FILTRON filter still lets through significantly fewer harmful particles.

How many fewer? As much as 75 percent fewer. That’s an almost 4x better result than the competitor’s product. **😮

Achieving such a result is no coincidence. Because not only the AP 151/5, but every FILTRON air filter is built around an advanced multilayer filtration medium, pleat embossing that prevents the folds from sticking together, and rigorous inspection procedures at every stage of production. Thanks to this, the engine receives clean air from the first to the last kilometer after service. 💪

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* Controlled laboratory test by MANN+HUMMEL, comparing the FILTRON AP 151/5 filter with an equivalent from a competing manufacturer. The initial filtration efficiency test showed that the FILTRON filter reduces particle pe*******on through the filter medium by 59%.

**Controlled laboratory test by MANN+HUMMEL, comparing the FILTRON PP 831/1 filter with a competitor equivalent. The final filtration efficiency test showed that the FILTRON filter reduces particle pe*******on through the filter medium by 75%.

You’re facing a tough task and the need to make difficult — and probably painful — decisions. 😧Imagine this scenario: Yo...
24/08/2026

You’re facing a tough task and the need to make difficult — and probably painful — decisions. 😧

Imagine this scenario: You can bring practically all the engines listed here back to life and let them once again power newly produced cars intended for the European market. No restrictions, no modifications, no need to import a vehicle from the other side of the world. ✅

But there’s one catch. The vast majority of these highly regarded engines from years past will be resurrected, BUT only if you erase 3 engines from automotive history from this list. You send them into oblivion, deciding they should never have left the engineers’ drawing boards, never powered any cars in the past, and never appeared in your workshop. ❌

A serious dilemma? So, which designs would you be willing to sacrifice to save the rest of these successful, respected units and make them available again on the Old Continent? Let us know. 💬

Or maybe you wouldn’t have any qualms at all and would calmly pick the trio on this list that you’d send into the oblivion of history without a second thought? 🧐

If we asked you which parameter determines whether a filter is "good," the vast majority of you would probably answer wi...
20/08/2026

If we asked you which parameter determines whether a filter is "good," the vast majority of you would probably answer without hesitation: efficiency. And it’s hard to argue with that — after all, a filter’s main job is to effectively trap contaminants contained in fuel, air, or oil. 👍

But in filtration engineering, there are two other equally critical parameters — somewhat forgotten in common perception — that have a major impact on proper filter operation. We’re talking about absorbency and pressure drop. ℹ️

When it comes to the first factor, what matters for filter performance is not only how much it retains, but also what and how much it allows to pass further into the system. Creating a filter with 100% efficiency is technically easy — it would be enough to use a medium so dense that it would stop literally every particle. The problem is that such a product would stop being a filter. 🤷‍♂️ It would be closer to an impenetrable wall that would instantly block the flow of oil, air, or fuel. A filter therefore has to be absorbent enough to maintain that flow.

As for pressure drop, considering this parameter when designing a filter requires even greater precision. After all, what good is it if we create a medium that retains contaminants very well while remaining absorbent, if air, fuel, or oil pass through at a pressure unsuitable for the vehicle’s operation?

Designing a properly functioning filter can therefore be compared a bit to walking a tightrope or balancing weights on a scale. ⚖️ To achieve equilibrium, you have to take a little away, add a little, and lean slightly one way or the other. Developing an automotive filter is a constant search for the golden mean. It must effectively stop microscopic particles, while at the same time not creating too much resistance to the liquid or gas flowing through it.

It’s not an easy task and it requires a great deal of skill and experience. That’s exactly why it’s worth choosing filters from well-known, recognized manufacturers. And at FILTRON, we know perfectly well how to find that golden mean to guarantee complete engine protection while maintaining optimal system operating parameters. 🙂

When replacing the cabin filter, which cars would these quotes fit like a glove? And be honest — when installing a filte...
17/08/2026

When replacing the cabin filter, which cars would these quotes fit like a glove? And be honest — when installing a filter in which model do you find yourself cursing the designers the most? 😅

When it comes to assessing the level of difficulty, cabin filter replacement is a bit of a strange case. On the one hand, there are cars where it feels like you could do it blindfolded, literally in a few seconds, and you can’t stop praising the engineers for designing it in such a simple and straightforward way. 👍

There are also replacements where the difficulty lands somewhere in the middle; filter installation is no longer a piece of cake — something has to be removed, a screw has to be undone, and you end up getting a bit of a workout, but it is still manageable.

And then, of course, there are the extreme cases, where filter replacement takes several dozen minutes, we have to dismantle half the dashboard, and by the end of the job we would like to get our hands on the people who came up with such a cabin filter location. 🤬

So, in which car would you want to give the engineers a high-five during filter installation, where it is harder but still manageable, and in which model does cabin filter replacement always come with a very colorful stream of unprintable language? 🤔

We’re waiting for your suggestions — which cars would fit these quotes best? 💬

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