- These lamps have all the benefits of linear germicidal lamps, but also have a very compact design. This allows for compact fixture design and easy lamp replacement, - Their shape, electrical characteristics and lighting circuits are similar to general lighting compact fluorescent lamps, - Ozone free, - A protective coating on the inside of the lamp limits the depreciation of the UV-C output, - Not for household use. Professional applications only including: residential drinking water purification, induct air treatment units and stand alone air purifiers