VENTILATIONPOST ROSS VENT 125 RED

Ross ventilation shafts are available in three different sizes: Ross-125, Ross-160, and Ross-200. The appropriate duct size is selected based on the air flow through the duct. Ross-125 can be connected to a 125 mm ventilation duct, and a hole with a diameter of 170 mm must be made in the base for installation with the installation pipe (134 mm without the installation pipe). The horizontal pipe of Ross 160 can be connected to a 160 mm ventilation duct and requires a hole with a diameter of 208 mm for installation with the installation pipe (170 mm without the installation pipe). Ross 200 is connected to a 200 mm ventilation duct and requires a hole with a diameter of 248 mm for installation with the installation pipe (210 mm without the installation pipe). This product description is an automated translation of the original Finnish description.