RubyLux All Yellow LED Bulb - Size Large – 2nd Generation - 120V for US LED Mask RubyLux bulbs require no UV-blocking

RubyLux bulbs require no UV-blocking (because they produce absolutely no ultraviolet rays)

such as RubyLux Lamps and RubyLux LED Masks are sold separately

No Toxic Substances and No FAR Infrared

With the RubyLux New 2nd Generation Yellow LED Bulb

It has been proven to work in treating pain caused by old age and trauma

RubyLux All Yellow LED Bulb - Size Large – 2nd Generation - 120V for US LED Mask RubyLux bulbs require no UV-blocking*****120V for US Only**** The 2nd Generation RubyLux All Yellow LED Bulb (size large) is comprised of 18 premium intensity light emitting diodes (LEDs). This bulb is approximately 4. 25 inches in diameter. Its top quality, ultra bright LEDs are in the yellow light range (at 590 nm). The large LED bulb requires 18W to operate. What makes the RubyLux unique is that it is engineered as a bulb to screw into virtually any US lamp or light socket. RubyLux