Blowing Accessories Products Machines CelluMak A900 Insulation Blowing Machine CM-S Wall Scrubber Wet Spray Application Set Hoses and Connectors Blowing Accessories Wet Spraying Glue Pumps Spray Heads Accessories Spare Parts Insulation blower A900 Replacement Parts Wet Spraying – Spray Head Wet Spraying – Glue Pump Ventilated nozzles are used for injection blowing. This is the process of filling closed cavities. B00108 Ventilated Rotary NozzleVentilated rotary nozle for the filling of closed cavities