Slide Type Valve Opening/Closing Plate (Slider Type) "Always Open (Green)/Always Close (Red)" Special 15-105C

[Features]·A valve open/close tag, sliding type. ·The letters represent "Normally open (green) / Normally closed (red)."· (Main body) Made of rigid PVC, measuring 50 × 35 × 3 mm. · The display can be switched by simply flipping the tag upside down, making it suitable for displaying valves that open and close frequently.