The GilAir® pumps (GilAir-3 & GilAir-5) are highly reliable and recognized as one of the most popular air sampling pumps worldwide. These pumps are equipped with an automatic constant flow feature that ensures sampling is maintained within ±5% of the initial set point. This feature is essential for maintaining accuracy, even in cases of varying back-pressures or filter buildup. The GilAir-3 & GilAir-5 pumps are user-friendly and require no special adjustment tools to set flow rate, making configuration fast and easy. These pumps are versatile and suitable for various sampling media, including pull-through and bag sampling, as well as other pressure applications.