Keep your refrigeration and HVAC systems running smoothly with the Castel Ø 10 mm humidity indicator. Designed for fast, accurate moisture detection, this inline device provides clear, color-coded feedback—turning blue to pink/red—to alert you instantly to moisture ingress.
Instant Color Alerts: Visual shift from blue to pink/red for moisture indication.
Universal Ø 10 mm Thread: Easy integration with standard refrigeration lines.
Model Compatibility: Designed for Castel 3940/M10 and 3740/M10.
Rely on Castel’s trusted humidity indicator to protect your equipment, simplify maintenance, and extend system life.
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