The Dyson HEPA Big+Quiet Formaldehyde purifier uses Cone Aerodynamics to deliver up to 90 litres of airflow per second of purified air, and a CO2 sensor to promote a clean and comfortable indoor environment. It is designed with a fixed projection angle of 50 degrees to reduce airflow interference and operates at a Sound Power Level of 55.6 decibels of noise on maximum airflow speed.
Inovonics: EN2242 Duress Card
Sabin: Layer
Wausau Window: 4000i-DTFX
HEMCO: HEPA and Carbon Filtration Packs
Genlyte Solutions: Gardco OptiForm Flood