Tri-Stack™ mixed flow roof exhaust systems are practical, cost-effective and energy-efficient solutions for pollution abatement, re-entrainment and odor control problems. Features include lightweight, modular construction and lower system pressures than conventional exhaust stacks. Other advantages include low profile design, low noise levels, variable air volume control and vibration-free operation.

Strobic Air Corp. (Met Pro)
Harleysville, Pa.
(215) 723-4700
www.strobicair.com