Slide Type Valve Opening/Closing Plate (Rotation Type) "Always Open (Red)/Always Close (Green)" Special 15-103A

[Features]·A valve open/close tag, rotating type. ·The letters represent "Normally open (red) / Normally closed (green)."· (Main body) Made of rigid PVC, measuring 130 × 60 × 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.