Description Amalgam Submersible Replacement Quartz UV 40 Watt Amalgam Submersible Replacement Quartz UV 40 Watt insulates the lamp from the water, allowing the lamp to operate at the optimum performance. The ultraviolet lamp will remain independent of the flow of water. Quartz is extremely transparent over a wide spectral range, with a low coefficient of thermal expansion and quartz is resistant to scratching and thermal shock. Fused quartz is made from crushing and melting natural materials. The purity of quartz is paramount to the efficiency of the lamp and sleeve. The Amalgam Submersible UV 40 watt Replacement Quartz is 25 mm Dia x 385 mm Long
