what does a light ballast do

Brand Name:UV

Model Number:PH7-800-155U

Place of Origin:ZHEJIANG, CHINA

... Ballast UV Light Ballasts 12 Months Warranty Select the right electric ballast Be sure to select the appropriate model. Since the core function of the ballast is to protect the UV lamp and prolong the service life. If the selected ballast does not match...

Brand Name:UV, Yoway

Model Number:PH7-800-155U

Place of Origin:Zhejiang, China

...select the appropriate model. Since the core function of the ballast is to protect the UV lamp and prolong the service life. If the selected ballast does not match the parameters of the lamp, it is like a twisted melon - both parties are victims. Therefore

Brand Name:GENERALINK

Model Number:GL-PAR M18

Place of Origin:CHINA

... from 20° to 60°, also with a dimmable electronic ballast and an aluminum system case. The lamp head itself is very capable with a G38 socket for bulbs. OSRAM bulb does not included and local purchasing suggested. Additionally, the kit comes with