Vesda Xtralis 059-007 Conical Sampling Point Kit The Vesda 25mm Capillary Sampling Point - Conical (059-007) set has a tempered sampling tip installed at its end. The set includes capillary tube adapter, capillary tube 2m long and 10mm in diameter and a flat sampling tip. Kit Includes 2m of 10mm OD tube Trunk Adaptor Point and decal With over 250,000 aspirating smoke detectors installed worldwide the VESDA name has become synonymous with high quality and outstanding performance. An aspirating smoke detection system, however, only performs at its best with a well designed and installed quality pipework system. Xtralis, manufacturer of VESDA detectors, recognised this requirement and in 1997 launched its VESDA Pipe and Fittings range.