Pack of 4Halogen Double Envelope T10 Medium Screw Base E26 Light Bulbs, 250 Watt, Frost, 4PK, Bulbrite, Mfr#: 860768

These T10 tubular bulbs are commonly used in studio lighting for modeling photos. They are double glass envelope bulbs to shield harmful UV rays. Great for projects where you need true color rendering. Also ideal for exit signs, lighted showcases, picture lights, and displays. They are 250 watts each with a frost finish and an E26 screw base.