This 40-watt appliance bulb’s sturdy design is specially made to withstand heat. Versatile for multiple applications, this bulb is ideal for use in microwaves, ovens, sewing machines, and other small household appliances. Rugged filaments within bulb are made to 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. Estimated annual energy cost of $4.82 (based on three hours/day). This product ships as a single bulb.