Philips 200105 500T3Q/CL120V Double Ended Linear PLUS PRO 500W R7s 120v Lamp | OneSource Distributors
Philips Halogen 500-Watt T3 Work and Security Light Bulb, Clear Bright White, Dimmable, Double Ended Base (2-Pack) - Walmart.com
Utilitech 500-Watt EQ T3 Bright White Recessed Double Contact Halogen Light Bulb (6-Pack) in the Tube Light Bulbs department at Lowes.com
PHILIPS 118MM 500W HALOGEN R7s DOUBLE ENDED (MADE IN CHINA) Kuala Lumpur (KL), Selangor, Malaysia Supplier, Supply, Supplies, Distributor | JLL Electrical Sdn Bhd
Philips 491268 | LightBulbs.com
Southwire 500-Watt EQ T10 Bright White Mogul Base (e-40) Halogen Light Bulb in the Tube Light Bulbs department at Lowes.com
Philips 500W 120V Clear RSC Base T3 Halogen Work Light Bulb (2-Pack) | Country Farm & Garden
Philips 415729 500-Watt 4.7-Inch T3 RSC 120-Volt Light Bulb with Double Ended Base, 2-Pack - Halogen Bulbs - Amazon.com
Philips 415729 500-Watt 4.7-Inch T3 RSC 120-Volt Light Bulb with Double Ended Base, 2-Pack - Halogen Bulbs - Amazon.com