The part you have selected has referred you to this one which MAY be a suitable substitute.
#ESR - 100 watt - 120 volt - T4 - Double Contact Bayonet (BA15d) Base - Clear - Single Ended - Prism | Halco Halogen Incandescent Light Bulb (Halco Q100CL/DC/120 27025)

#ESR - 100 watt - 120 volt - T4 - Double Contact Bayonet (BA15d) Base - Clear - Single Ended - Prism | Halco Halogen Incandescent Light Bulb
$7.13
Quantity:
In Stock - Ships Fast!

Our Part #: HO127025
Manufacturer: Halco
Manufacturer Code: Q100CL/DC/120
Case Size: 10    ($71.30/Case)
For an explanation of a lighting term, click on the
Light Output: 1,700 lumens
Energy Used: 100 watts
Average Lifetime: 2,000 hours
Volts: 120
Bulb Type: T4
Base Type: Double Contact Bayonet (BA15d)
Color/Finish: Clear
Length: 2.4 inches