Chauvin Arnoux P01654250 Cone Kit

A set of airflow measuring cones 210mm round and 346x346mm square to suit Chauvin Arnoux CA1227 or similar anemometer.
The set includes a soft carrying case for safe transportation and protection of the rubber compression skirt.
This cone kit is an invaluable addition to your airflow measurement equipment, allowing you to cover most domestic ventilation duct sizes, right up to commercial ventilation ducts up to 34x34cm square