- New York company offering air filters and air purifying devices for residential, commercial and industrial facilities with secure online purchasing facilities.
- Offers air purification equipment for residential, commercial, industrial and manufacturing applications. Also features air testing equipment, cleanroom laser particle counters and ultra-violet (UV) sterilizers.
- Offers replacement HEPA air filters for furnace, air conditioner, humidifier, and air cleaner products. Name brands include Bionaire, Duracraft, Holmes, Honeywell, and Trion.