Click to expand Tap to zoom Whelen M9 Conversion Flange Chrome from M9 to 900 Series by Whelen Engineering $41.60 | / SKU M9FC900 Flange Chrome/Adapts M9 Warning to 900 Series Mounting - $41.60 Flange Chrome/Adapts M9 Scenelight to 900 Series Mounting - $51.35 Flange Chrome/Adapts M9V to 900 Series Mounting - $41.60 Flange Chrome/Adapts M9 Warning to 900 Series Mounting Flange Chrome/Adapts M9 Scenelight to 900 Series Mounting Flange Chrome/Adapts M9V to 900 Series Mounting Mount 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Features Description The M9 Conversion Flange Chrome from M9 to 900 Series from " Whelen Engineering" is a flange to convert M9 to 900 series and is available to M9 warning, M9 scenelight, and M9V to 900 series mounting. Features M9FC900 - Adapts M9 warning to 900 series mounting M9FCZ900 - Adapts M9 scenelight to 900 series mounting M9VFC900 - Adapts M9V to 900 Series mounting.