The Trojan 602855 Lamp is an original replacement UV bulb for use with Trojan Pro20, H, H Plus.Specs Length: 27.05" or 687 mm ± 3mm (not including pins)

Base Type: Propeller Bi-Pin

Lamp Type: Amalgam, High Output

Wavelength: 254NM Glass

Type: L (Non-Ozone)

Base Color / Material: White Ceramic

Base Bulb Diameter: 19mm

Lamp Voltage: 65V

Lamp Wattage: 140W

Operating Current: 2.15A 

Rated Life (hrs): 9,000 The Trojan 602855 Lamp is an original replacement UV bulb for use with Trojan Pro20, H, H Plus UV water disinfection systems. The lamp life is up to 18,000 hours, and comes with 2 o-rings.