Hozelock Replacement 13W PLS UV Lamp Bulb - 1541 0000This Genuine Hozelock Part is a Hozelock Replacement 13W UV Lamp for the Hozelock Filter and UVC range. UVC Bulbs should be changed at regular intervals, ideally in the spring before the season starts. This is to guarantee the full strength capacity of the UVC light waves. These bulbs are of the PLS design, i. e. that have 2 small pin connections at one end only. Key Features: Part Number: 1541 0000 Genuine Hozelock Part Change annually PLS 2 pin