REMOVE THE BALLAST OR IT WILL BLOW OUT THE BULB , THESE BULBS ARE INTENDED TO USE WITHOUT BALLAST ONLY ; Single Ended power ONLY .
UL , DLC , CE, ROHS Approved ; Frosted Cover .
Luminous Flux: 2400 LUMENS ; Color Temperature:4000K
Eligible for rebates with most of the elctric companies (we can help with paperwork also ) ,
SPECIAL CONTRACTOR & DISTRIBUTOR PRICING AVAILABLE ; 24/7 Phone Support ; US based Factory Direct Pricing ; 5 years no hassle warranty