This Caprock brand lamp is 100% compatible with the Ultravation UltraMax AS-IH-1003 OEM lamp which sells at a much higher price. It measures about 16 inches. This specially designed lamp has a unique base specific to Ultravation air filtration systems.  Its peak output is  254nm. The rated useful life is 9,000 hours.

The lamp is used in UVPhotoMAX EZ-Light or EZ4X-Light Upgrades, UltraMAX UME-Series, UltraMAX Gold, and UltraMAX EZUV systems systems including many of the UMX, UME, UVE, UVS, and Photronic systems.

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