Excelight EL720Q Replacement Quartz Sleeve - Open Ended TU403 The germicidal water treatment bulb

The germicidal water treatment bulb provides up to 10

Overall Length: 159mm This Electrodeless 6 inch WPI 300 V Type UV replacement lamp exceeds the OEM Standards of UV Curing bulb performance

3 gallons per minute

If there is no color change then you need to either slow down the rate at which you disinfect or place the substrate closer to the mountable unit

Industry  standard

Excelight EL720Q Replacement Quartz Sleeve - Open Ended TU403 The germicidal water treatment bulb100% Compatible Quartz Sleeve Replacement for Excelight EL720Q Technical Specifications: Inner Diameter: 20mm Outer Diameter: 23mm Overall Length: 665mm Open Ended Note: CureUV. com stocks generic products that are 100% compatible with the original equipment.