Halogen Bulbs Click any image for more details. Model: Halogen Bi-Pin G4 Base 20 Watt 4000 hr professional grade (CASE-20 bulbs) Price: $54.99 Model: PAR-36 Capsylite Halogen Bulb M-P Base, 20 Watt, 12 Volt- Flood 4000 hr Professional Grade Sold as single unit Price: $6.99 Quantity: