WINDOW AND DOOR VENTILATION ABS 15-30 M3. ACOUSTIC REDUCTION WHITE

Dimensions: length 277 mm, height 26 mm, depth 30 mm

Efficiency:  open air vent 16 m3/h @ 10 Pa, 22 m3/h @ 20 Pa

Acoustic attenuation: open air inlet Dn,e,w (C;Ctr)= 33 (0;-1) dB, closed air inlet Dn,e,w (C;Ctr)= 36 (0;0) dB