Philips TUV PL 4P S/9W

9 W - Philips Bulb UVC - TUV PL-S - 2G7 Filters the anaerobes deplete the Lamp Bulb 185 nm out The inner Protective coating reduces deterioration of the UVC-Yield Compact, low-pressure Quecksilberdampf-Entladungslampe-single-sided Emits short-wave UV rays with a peak of 253.7 nm for sterilization (uv-c)