Spirotherm
Spirotherm is the world leader in air elimination and dirt separation technology. Their North American Headquarters, located outside of Chicago, manufactures the popular Spirovent® air elimination products and its extended line of Spirotrap® dirt separation products. Spirotherm has been developing and manufacturing products to improve water quality in the HVAC industry for more than 30 years. Sizes from ¾” through 36” are available to meet the needs of virtually any application.