Laval SC-350 Inspection Camera & SC350 9" Monitor Multi-Gas Monitors If you select the Bluetooth

If you select the Bluetooth model

1/2'' OD drive and sample lines

The ToxiRAE Pro PID is the world's smallest wireless volatile organic compounds (VOC) monitor

Using Dwyer's simple

This is superior to  chimney

Laval SC-350 Inspection Camera & SC350 9" Monitor Multi-Gas Monitors If you select the BluetoothThe SC 350 is an ultra light, compact, camera system with the SC 166 water well camera designed for water wells, boreholes, and vertical shafts as small as 2 inches (5 cm) to 10 inches (25 cm) in diameter Additional lighting accessories are available to expand the viewing capabilities. The winch is manually operated with a collapsible handle to make it completely compact, portable and easily shippable. The brake lever allows the user to stop the reel