Satco S3127 2100K 70-Watt Clear Medium Base ED17 High Pressure Sodium Lamp 45923031274 | eBay
WESTINGHOUSE LIGHTING 3743900 FIND LAMPS AND LIGHTBULBS AND LAMP COMPONENTS / Lamps and lightbulbs / High pressure sodium lamp HID AND MORE...
Amazon.com: iPower 400W CCT 2100K Pressure Sodium HPS Grow Light Bulb Lamp with High PAR Enhanced Red and Orange Spectrums for Plants Growth, Transparent : Everything Else
Philips Lighting SOX 135W Low Pressure Sodium Lamp, 135W, Clear. Electrical Parts And Supplies - PartsXP