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200-foot long remote sensor cable for QUESTemp 3x and 4x Series, QT-32, QT-34, QT-36, QT-44, QT-46, QT-48N

PID (ppm or ppb) sensor lamp cleaning kit for EVM-7 Environmental Monitor.

10-foot Microphone Extension Cable for Sound Examiner Sound Level Meters 059-733.

QE4110 Microphone for SoundPro Sound Level Meters

Johnson's heavy-duty aluminum tripod, with a quick connection for equipment with a 5/8"-11 thread.  It extends to a maximum height of 67", and its feet have sharp metal points for sturdy use on uneven outdoor terrain. Each leg has a quick clamp lock offers quick and secure...

PID PPM Replacement Lamp 074-081 for EVM Environmental Monitors.

Isokinetic Barb Sampling Probe Aluminium for use with AeroTrak®+ 0.1 CFM Remote Particle Counters.

Isokinetic Barb Sampling Probe Aluminum for use with AeroTrak®+ 1.0 CFM Remote Particle Counters.

Glass Fiber Filters, 25mm, Qty 500

Glass Fiber Filters, 55mm, Qty 100