systemair SPI-150 C Spi Iris Damper Instructions
Looking for precise air flow measurement and adjustment? Check out the SPI-150 C Spi Iris Damper by Systemair. This galvanised steel damper has low noise levels, fixed test points for accuracy, and an adjustable aperture for easy cleaning. Available in sizes ø 80-800mm, it's perfect for exhaust air systems. Learn more in the user manual.