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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

ACI Titanium Stage F Filter

P1 Port Plugs on DPI DUSA, Qty 10

A simple plug-in accessory offering the option for wireless communications using AeroTrak+ Particle Counters.

Replacement NGI torque screw