Philips Appliance Clear T7 Light Bulb: 2800-Kelvin, 15-Watt, Intermediate Base This T7 15-watt appliance bulb's sturdy design is specially made to withstand heat. Versatile for multiple applications, this 2800-Kelvin bulb is ideal for use in microwaves, ovens, sewing machines, and other small household appliances. Rugged filaments endure vibrations from opening and closing the doors on appliances. Features an Intermediate base. Use this bulb for appliances requiring smaller-profile bulbs. Philips reuses as much glass and packaging material as possible, reducing environmental impact. This product ships as a single bulb.