Ventilation duct, ventilation flap, ventilation system, dust extraction, extraction system, ventilation ducts and fittings, canvas nozzle-flexible connection
-Ventilation duct: flange ring
-Inside: Ø 257 mm
-Flange: bolt circle Ø 285 x 6 mm
-Number: 34x flange ring available
-Price: per piece / minimum order 2 pieces
-Dimensions: Ø 307 x 4 mm
-Weight: 0.7 kg/piece