Edwards Signaling SD-T24 Air Sampling Tube, 24″

The Edwards SD-T24 24-inch Sampling Tube is designed for use in HVAC duct smoke detection systems. It allows duct-mounted smoke detectors to draw a consistent air sample across medium-to-large ducts, ensuring early detection of smoke and compliance with fire protection codes. Suitable for ducts up to 24 inches wide, this sampling tube offers a balance between reach and ease of installation.