Four Tube 27 Watt 6500K 4-Pin Base Light Bulb + Free Shipping
PHILIPS LED Bulb: Cylindrical, Medium Screw (E26), 70W MH/70W HPS, 27 W Watts, 5000K, LED - 60EE90|27CC/LED/850/ND E26 G2 BB 6/1 - Grainger
27W LED Corn Light Bulb - 150W with E26 Base | HTM Lighting
Maxim Lighting Maxim lighting LED bulbs 27-Watt EQ B10 Warm White Dimmable LED Light Bulb in the General Purpose LED Light Bulbs department at Lowes.com