Spirotherm Inc. offers Spirovent® combination air/dirt separators for hot, chilled and condenser water systems. Available through 36-inch pipe, Spirovent separators will handle flows up to 30,500 gpm. The patented coalescing/barrier medium eliminates both air and dirt problems quickly and efficiently, effectively putting an end to labor-intensive manual bleeding and those lack-of-heat and inadequate cooling complaints.