Atlantic UV 05-0198-R GPH238T5L/4 - 11W - 4-Pin - 238mm Series_Ster-L-Ray This product is an American

This product is an American Ultraviolet CFL Type Ultraviolet Lamp

the lamp is not adversely affected by frequent starting and the life is considerably in excess of other lamp types

It has a part number of 05-1064

It has a part number of 05-1341-R

It has a part number of 05-4266

Atlantic UV 05-0198-R GPH238T5L/4 - 11W - 4-Pin - 238mm Series_Ster-L-Ray This product is an AmericanThis product is an Atlantic Ultraviolet Preheat Ultraviolet Lamp. It has a part number of 05 0198 R. Preheat germicidal lamps are operated by a preheat start circuit that employs a relatively compact and economical ballast. The preheat circuit requires four electrical connections per lamp and a slight to moderate delay is needed to start the lamp. Some modern electronic ballasts are capable of instant starting a Preheat lamp.