Climasys forced vent. 170 m3/h, 230V without grille

"This product is a fan that is designed to provide reliable and efficient cooling" "It is made of steel and comes with two protective grilles on the front and rear surfaces, as well as a fixing collar" "It has a power range of 17 W and an input voltage of 230 V 50/60 Hz" "It has a noise level of 41-41 dB and a free flow rate of 170 m3/h at 50 Hz"