Introduced in 1985, the 600H (600CFM) was the first model produced by Pure Air Systems and uses the standard 1/3 HP single speed induction motor. The 600H is used primarily as a whole-house filtration unit attached to a forced air heating/cooling system in the partial by-pass configuration. This base unit offers a true, certified HEPA filter rated at 99.99% at 0.3 microns along with a prefilter and carbon media filter. The base model 600H is perfect for applications where a single or two speed motor is used in the HVAC unit.

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