Response to Your fixture is the SpaBrite by Pentair with the R20 type bulb, yes, you can use the Bulb, Floodlamp 60w-120v (R20fl100) - 79108000 you will need to replace the Lens Gasket for Pentair SpaBrite, AquaLight & Sal Light (79108500) O-344 when you replace the bulb or whenever you remove/open the lens from the fixture. Please see How to Replace a Pool Light Bulb http://www.inyopools.com/HowToPage/how_to_replace_a_pool_light_bulb.aspx
An image is worth 1,000 words! Add an image or two to your comment to help ensure it is understood accurately.
Yes, please email me exclusive discounts, swimming pool tips and helpful how to guides.
This comment may be posted on a public site. Do not include: HTML, references to other retailers, pricing, personal information, or any profane, inflammatory language.