This is a Philips Sterilamp brand germicidal bulb, ordering code 135020. This bulb has a 9000 hours rated life and GX23 base. This bulb produces UVC radiation and is used to kill microscopic organisms in water purification and air disinfection systems.You need to use caution when using this bulb as it can be very harmful to eyes and skin. DO NOT expose eyes or unprotected skin to these lamps, serious injury and blindness could result. - EPA Approved: Philips/Signify EPA # Est. No 95792-POL-1

Manufacturer	Philips
12NC Code	927902804007
SKU	135020
Abbreviation Name	TUV PL-S 13W/2P
Base	GX23
Bulb Type	Germicidal Bulbs
Diameter (in)	1.102
Maximum Overall Length (in)	7.015
Rated Life (Hours)	9000
Shape	Single Tube 2-PIN
Wattage (W)	13W
NAED	135020
UPC	8711500867230
SKU	108224319, 867230 80
EPA Approved	Philips/Signify EPA # Est. No 95792-POL-1

Manual:

Philips 135020 TUV PL-S 13W/2P
Philips Germicidal CFL EU Declaration of Conformity