Spray gun filters are used in paint spraying applications to remove impurities and particles from the paint before it reaches the spray gun. The mesh size of a gun filter refers to the number of openings per linear inch in the filter screen.

Here are some general considerations for gun filters:

Mesh Size: The mesh size determines the particle size that the filter can effectively capture. A lower mesh number means larger openings and a higher mesh number indicates smaller openings. For example, a 150 mesh filter would have finer openings compared to a 50 mesh filter.

Material: Gun filters are typically made from stainless steel or nylon. Stainless steel filters are more durable and resistant to corrosion, while nylon filters are generally more affordable but may need to be replaced more frequently.

Compatibility: Gun filters are available in various sizes and configurations to fit different types of spray guns. It’s important to choose a filter that is compatible with your specific gun model.

Flow Rate: Consider the desired flow rate of the paint or coating you will be using. A filter with a smaller mesh size may provide finer filtration but could potentially restrict the flow rate if the paint has a high viscosity.