Profile: Koby, Inc. manufactures disposable activated carbon air purifiers for compressed air, exhaust air, intake air, vacuum air purification. Our products are manufactured only with the highest grade carbons available for absorption of organic vapors and aerosols. Our disposable vacuum pump in-line air purifiers include models VP-100, 200, 300 and 400 that are specifically designed to remove harmful organic vapors, aerosols, fine particles, and other foreign matter from vacuum air and compressed air. These units prevent pollution of laboratory and industrial work environments.