The adjustable plastic air-inlets VMRC & VMF are used to extract air from accomodations and premises of tertiary sector.

• Available in diameters: Ø99 mm to Ø160 mm
• Available air-flows :
  - VMRC : user can adjust the air-flow thanks to 2 cords - Maxi air-flow of 105 m³/h
  - VMF : fix air-flow graded for 30 m³/h under 100 Pa
• Made in white polystyrene

• Their range of use varies between 50 and 150 Pa
• Simply fitted in a sleeve or a 3-claw pasterboard sleeve