Inspected current U/V light for proper operation. U/V currently works though cant verify its efficiency or reliability. Customers Equipment: -Pentair 5800 series control valve on a 12x48” Mineral Tank. -U/V light Model number: HI MSP 6165 * Quartz: 19 1/2 * Customer would like two proposals, one for GDS-8 Install w/ pre filter. One for the replacement bulb and sleeve. Checked all regen cycles, checked well tank, no leaks all good. .