This lamp is the replacement lamp for VIQUA F4, F4+, F4-V & PRO15 Model systems. It is extremely important to replace this lamp every 12 months to maintain proper system efficacy. As the key component of your UV system, the lamp renders micro-organisms harmless when they pass through the UV rays. Constantly exchanging aged lamps for fresh ones ensures you get the cleanest water your system can offer.

80V-LF4