This UV ultraviolet water disinfecting lamp comes easy to install with 1/4" quick connect fittings to destroy biological pathogens between the post filter and the faucet. * Easy change bulb lasts one year * 110V 60Hz * 1500GPD Flow Rate * 11" x 1.9" * Works on giardia, cryptosporidium, coliforms, bacteria, viruses and other biological pathogens * "End glow cap" gives visual confirmation that lamp is on * Great addition to any reverse osmosis system to ensure the most biologically safe water supply. * Includes 110V transformer