Its pros: Small, neat. Well worth it - I carry it from room to room. Nothing extra. Battery included With its cons: I took it for 399. Even this is expensive. 200 to him the price.
Portable Handheld Manometer 📏 for Accurate Pressure Differential Measurement
5 Review
🌬️ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
Digital multimeter RGK DM-12
6 Review
🔍 Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review