A global leader in the lighting industry, GE Lighting has offered professional and consumer lighting solutions for over 100 years. Lasts 18.26 years (20000 hours) based on a usage of 3 hours per day 3500 Kelvin Cool White light Uses only 32 watts 2 bulbs per package 2800 lumens- refers to bulb brightness T8 shaped linear fluorescent bulb Medium bi-pin (T8) base type Perfect for work spaces Bulb Wattage: 32.0 Package Quantity: 30 Indoor/Outdoor: For indoor or enclosed outdoor use only Tube Type: Linear Light Color: Cool White Energy Efficient: Yes Rapid Start: Yes Lumens: 2900.0 Dimmable: No Plug-In Type: Medium bi-pin Bulk Buy: Yes Works with Iris: No Light Bulb Base Type: Medium bi-pin (T8) Series Name: N/A ENERGY STAR Certified: No Bulb Shape: Linear Lowe's Exclusive: No Rated Life (Hours): 36000.0 Actual Fluorescent Tube Length (Inches): 48.0 Color Temperature (Kelvins): 4100 Common Fluorescent Tube Length (Inches): 48.0