Keystone KT LED27PSHID H EX39 8CSB D Replacement LED Bulb, Corncob, Mogul Screw (EX39), 27 W Watt, 3000K 4000K 5000K, LED 22590 5 micron Maximum Temperature 100 5 micron Maximum Temperature 100 Degrees F Minimum Pressure 20 psi Includes Gauge Yes Maximum Pressure 80 psi Minimum Temperature 40 Degrees F Restrictions This product is part of the finished good by the same manufacturer which has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption drinking and cooking) and non potable (non human consumption) water applications Studs Socket Shape 6 Point Tether Ready No Non Magnetic No Locking Yes Non Sparking No Tether Status Not Tether Capable Includes Locking Locking Included Impact Rated Status Impact Rated Additional Features: The TorquePlusTM internal design minimizes fastener rounding 000 hr Rough Service No Shatter Resistant No Standards cULus Listed 23 A Dimmable No Dimming Method No Dimming Dimming Type No Dimming Environmental Usage Indoor Outdoor For Enclosed Fixtures Yes Light Appearance Warm White (3000K & Under)