2 Pack Heat Lamp Clear Infrared Bulbs PAR38/125 Watts Glass Lamp Bulb for Food Service, Brooder Bulb, Chicks, Pet, Bathroom, Light Therapy Use E26 Base, Flood Light Heat Lamp.

I use a Flunkers ceramic dome lamp and a explosion/shatter proof light meant for brooding chickens https://www.amazon.com/BONGBADA-Infrared-Service-Brooder-Bathroom/dp/B092ZHKP77/ But you can get a halogen flood light from the hardware store if they have them.