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5 Frequently Asked Questions about Spray Gun Filters


Spray guns contain filters that help provide a cleaner spray out of the gun tip. Here are some spray gun filter questions we’ve answered in the past, more than once.

1. What does a spray gun filter do?

The filter, which typically resides inside the handle of the gun, filters the paint one last time before it leaves the spray gun. The gun filter prevents debris from entering the tip. Preventing debris from entering the tip helps eliminate blockage, and therefore downtime, and keeps the spray surface clean.

2. Are there different types of filters? Which should I choose?

In general, the main difference in spray gun filters is in the screen size. You’ll want to choose a finer screen mesh for lacquers and fine finishes. A larger mesh can be used for latex paints.

3. How often do gun filters need to be replaced?

This can vary, too, depending on the amount of “trash”, larger unwanted particulates, and the size of the mesh of your filter. Fine filters will need to be replaced more often. Why not clean them? Well, you can clean a filter, but generally these filters become so clogged over time that it is not worth the amount of work, and time, to clean them. It’s usually easiest to replace.

4. How often do gun filters need to be cleaned?

It is recommended that you clean the gun filter every time you clean your sprayer. This will give you the longest life for your spray gun filter. Eventually, though, you will have to replace the filter. Filters don’t wear out, as their made of stainless steel that prevents rust and corrosion, but they do accumulate trash and waste, despite the best efforts to keep them clean.

If you’re using an extremely fine mesh filter there is a chance that you could need to clean the filter during a job. The easiest way to tell a filter needs to be cleaned, during spraying, is the spray gun’s reversible tip begins to clog on a constant basis.

5. What would happen if you used the wrong filter for the tip?

It’s important to use the right filter mesh for the paint you’re spraying. If you use a wide mesh with a tip too small you’ll have a tip that constantly clogs. Using a fine mesh with a wide open tip you’d run into paint flow restriction. This can put unwanted stress on the sprayer, possibly reducing its lifespan.

If you have questions you need answered feel free to reach out to us. We can help!

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