ThisUV Quartz Sleeve 18×20.5x291mm Domed is used alongside UV lamps, which offers the UV lamps protection against temperature, breakage, and environmental hazards. UV quartz sleeves should be replaced every 12 months, automatic delivery subscription available.

Specifications:

• End Type: Dome Ended
• Length: 291 mm (Approx. 11.46″)
• Inside Diameter: 18 mm
• Outside Diameter: 20.5mm