French size: 12 (4.0mm). Length: 48" (122cm). Double lumen PVC tube-one for suction drainage; one for sump vent. X-ray opaque SENTINEL LINE with SENTINEL EYE. Integral funnel connector with removable 5-in-1adapter.
HOBO* Water Level Data Logger, titanium, No-vent-tube design for easy and reliable deployment, Ideal for recording water levels and temperatures in wells, streams, lakes, wetlands and tidal estuaries, 3-point NIST, 250 Foot Depth
InTemp* Dry Ice Logger - Multiple Use Data Logger, Bluetooth Low Energy (BLE)-enabled multiple-use logger that records temperature data for up to 365 days, IATA Battery compliant, Sensor Range: -95 deg to 50 deg C,