A Static Favorites List is created by adding items to your list from Search and/or Browse results, product detail pages, and previous orders and invoices. You can also upload your list using the Excel template provided on the "Favorites List Management" page.
A Dynamic Favorites List is automatically created from your purchase history based on the timeframe, ship-to name, and product categories you want included. This list updates each time you open it based on the criteria selected.
This Keystone 120-Volt High Pressure Sodium ballast kit operates 1 S55 100-Watt High Pressure Sodium lamp. The kit includes ballast, capacitor, mounting brackets and hardware. See the document below for complete specifications. Compatible with 150-Watt S55 high pressure sodium lamps. Single tap input 120-line voltage, R-NPF/R-HPF circuit type.