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135 Watt Philips Low Pressure Sodium Light Bulb
135 Watt Philips Low Pressure Sodium Light Bulb
BY22d Base DimensionsT-21 Bulb Dimensions
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Manufacturer: Philips Lighting
Product Number: 321539
SKU Number: 049418

General Description: This is a Philips low pressure sodium lamp
 rated at 135 watt and produces 22,600 initial lumens of light.  It has a DC bayonet base (BY22d) and does require a L73 ANSI code ballast to operate.


135 Watt Philips Clear Low Pressure Sodium Lamp

Product Specifications

Manufacturer Philips Lighting
Product Number 321539
Ballast ANSI Code L73
Watts 135
Base Type DC Bayonet (BY22d)
Bulb Style T-21
Length 30.5 Inches
Diameter 2.59 Inches
Lumens 22,600
Color Rendering Index (CRI) -
Color Temperature  1800 K 
Rated Average Life 18,000 Hours
Bulb Finish Clear
Mercury Content 0 mg
Full Product Name SOX 135W BY22d
Ordering Code SOX 135W
Case Quantity 12
Technology High Intensity Discharge (HID)
Alternate Product Number 32153-9
Specification Sheet

Features & Benefits

• High Efficiency Lighting
• DC bayonet base
• Produces 22,600 initial lumens
• 1800K color temperature
• Requires a ballast to operate 


• Used for street lighting

135  watt Low Pressure Sodium Lamp

135 Watt Philips Low Presure Sodium Light Bulb

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