GPH287T5LHO/4P Germicidal UV Purifier/Sanitizer Light Bulb UVL/4031 also the amount of IR

also the amount of IR (heat) can be detrimental to the process at hand

The lamp makes use of UV light to kill and inactivate bacteria

The Replacement Quartz Sleeve for Laguna - PowerClear Max 2000 Pond UV Light Bulb for Germicidal Water Treatment is an open ended quartz sleeve that is a guaranteed compatible replacement

The Philips TUV PL-L 55W/4P Compatible Replacement UVC Light Bulb is a guaranteed replacement UV bulb that has wattage of 55 Watts and a lamp length of 21

GPH287T5LHO/4P Germicidal UV Purifier/Sanitizer Light Bulb UVL/4031 also the amount of IRGuaranteed Replacement Ultraviolet (UV) Bulb High Output (HO) 4 Pin 27 Watts 11. 3 Inch Length Lamp Worry Free Performance for 1 Year Technical Specifications: Wattage: 27W Length: 11. 3 inches (287mm) Pins Base: 4 pin, G10Q 4 Shape: T5 Average Lifespan: Up to 10,000 hours Operates at 253. 7 nm, ideal for UV disinfection. Good for use at any velocities. Temperatures ranging from 30 170 degrees F. High Output (HO). This 27 watt ultraviolet (UV)