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Executive Summary: Conference Room Cool Mist Diffuser by MistAir HomeTL;DR: MistAir Home's Conference Room Cool Mist Diffuser is an ultrasonic cool mist diffuser built around one idea: fragrance and humidity without heat, noise or waste. A piezoelectric disc vibrating at ultrasonic frequency turns water and essential oil into 0.1-5 micron mist - oil compounds stay intact, surfaces stay dry, the unit stays near-silent. Factory-direct wholesale: $5.90-29.90/unit. OEM from 100 u···