Heath/Zenith SL-5694 High Pressure Sodium Bulb 70 Watt E 26 Medium Base is used for general lighting and security. This is one of the most common wattages and a golden white color with this standard household base. You've probably seen them in wallpack outdoor lighting where energy efficiency is very important. If you need a light fixture that uses these, they are sometime labeled as HPS lamps as well. 70 watt high pressure sodium light bulbs have a long life and are a very reliable light source. The medium base is the same size as a standard light bulb base.
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