Method Seven Agent 939 Citadel LEDfx GlassesProtect Your Eyes From Powerful LED Light If youre growing with full spectrum LED lights from the likes of Telos, Gavita or Maxibright, these Citadel Agent 939 LEDfx Glasses from Method Seven deserve immediate attention! Theyll give you crystal clear, true colour vision as you tend to your plants under operational LED lights whilst simultaneously protecting your eyes from the extreme brightness and intensity put out by them. Remarkable stuff!