The Shop-Vac 2.5 inch concentrator nozzle part # 9068300 is an accessory that will help increase the air flow and vacuum power with the Blower Concentrator. The concentrator nozzle has to be connected directly to the 2.5” Extension Wand of the blower vac.
The Shop Vac 2.5" Concentrator Nozzle is compatible with 2.5” wand ends, for use with Shop Vac Blower Vacs.