Description Literature Accessories Description TSI air cones have been developed as a tool for use with 100 mm diameter vane anemometers. The anemometer is snap located into the aircone and held with the seal against the supply/extract grille to be measured. Kit includes (1) circular air cone and (1) rectangular air cone. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories TSI Alnor Rotating Vane Anemometer 5725 $1,015.00 Was: Now: $913.50 In Stock More Info