Kidde Airsense Stratos Pipe Stand-off Support 9-10936 The pipe stand-off support includes CLIC TOP 28 pipe clip, M8 x 60mm stud and mounting bracket. The stand-off is suitable for 3/4 pipework and not suitable for 25mm pipework. Aspirating smoke detection system is the network of sampling pipes that actively transport air from a protected area to the detector. ABS (Acrylonitrile Butadiene Styrene) is a homogenous material with good chemical resistance and high impact strength. Other beneficial features are its suitability for use at low temperatures (-40C) and its ease of joining.