Showing 17–31 of 31 results
Attaches directly to PVC pipe or fan duct with 4″ flexible coupling.
Quick and easy installation.
75% noise reduction with no back pressure.
18 1/2″ long X 6″ diameter.
Obar floor ports are designed to be easily installed and are robust enough to handle typical building traffic. These ports can be used as permanent sampling ports to fulfill vapor intrusion guidance document’s requirements.
Sold in sets of 4.
Foam feet to be used with GBR Roof Mounts.
Superior vibration dampening.
Pipe Pier Tech Sheet
Kit includes a pair of flexible couplings (4 sizes available), U-Tube manometer and a system label.
Includes test kit, instructions, lab fees and prepaid postage.
4″ charcoal canister.
Running time: 48 – 144 hours.
The Bjornax reusable Smoke Emitter Pen is the perfect tool to dispense just the right amount of test smoke, when and where it is needed. A patented smoke-emitting wick is inserted into the clutch pencil and ignited. You can adjust the wick to provide a continuous stream of a light gray to white smoke. The Smoke Pen can be easily extinguished by simply replacing the protective cover. Wick diameter is 5.6mm and will burn for approximately 30 minutes each.
This cool burning, non-toxic emitter is ideal for air balancing, verifying ventilation, testing smoke alarms, test for negative or positive air pressure.