Enterpreneur | Business | USA on Instagram: "Woosh turned a boring home item—air filters—into smart tech. Winston Mok left Google to build a Wi-Fi connected air filter that tracks air quality, works with smart thermostats, and auto-orders replacements. His passion and subscription model impressed Kevin O'Leary, who invested $500K for 10% plus a royalty. Since Shark Tank, Woosh has expanded nationwide, upgraded its smart filters, and raised over $3M in funding. A simple idea turned into a fast-gr