Allegro Manhole Ventilation Pass ThruDescription Manhole Ventilation Pass Thru, Accessory Type Manhole Ventilation Passthru, Conductive Material Construction No, Color Yellow, Material Vinyl Polyester, Outlet Diameter 8 in, Standards ASTM 227, Width 20 in, For Use With Blowers and Ducting in Manhole Applications, Includes Collapsible Duct, Storage bag, Length 5 1 8 ft Dimensions Length 32 in (duct stored), 62 in (duct in use) Width 20 in Outlet Size 8 in Details Item Manhole Ventilation

Engine: Industrial Honda GX270 OHV engine (electric start optional) · Engine oil drain · Pneumatic idle control to conserve fuel

Intake hole size: 10" with 8" adapter

(-) MSV Metering Valve

Brush working width (in) 28 Vacuum working width (in) 41 Max

Length: 30 IN   |  76

thermal-cool epoxy insulation and durable rolled steel frames

Compatible with a variety of nozzles (1/4 in NPT (F) with nut for metal flanged nozzle)

Chargeable Weight: 18

UPC Product: 00633955571686

profile depth: 3/4"

Ideal for medium to large fine finish jobs

4mm (80231-00