IDI Infilco Degremont Compatible - X0016-H15 - 400 W - 66.3" - 4 Pin Single Ended Amalgam Item:Ballast which means you would need

which means you would need to perform more cycles at different positions in the room to reach all surfaces

26 mm UV curing bulb that that has wattage of 600 WPI

Emperor Aquatics 20018

A reflector in the lamp unit improves durability

IDI Infilco Degremont Compatible - X0016-H15 - 400 W - 66.3" - 4 Pin Single Ended Amalgam Item:Ballast which means you would needGuaranteed Replacement UVC Bulb for IDI Infilco Degremont Compatible X0016 H15 400 W 66. 3" 4 Pin Single Ended Amalgam Bulb compatibility: X0015 H14 X0016 H15 Specifications: 66. 3" length (not including pins) or 1684 mm Wavelength: 254 nm 4 pin single ended amalgam 400 W The replacement bulb works to sanitize and kill bacteria, protozoa, molds, virus and yeasts present in water. Germs that cause harmful bacteria and microorganismss such as Vibrio