Fresh air releif vent
Fresh air releif vent
(OP)
Hi all,
who makes air relief vents, you know ones with backdraft dampers. I need one to flow around 400L/S out of a room through a wall to the outside.
thanks for your help.
who makes air relief vents, you know ones with backdraft dampers. I need one to flow around 400L/S out of a room through a wall to the outside.
thanks for your help.





RE: Fresh air releif vent
RE: Fresh air releif vent
HVAC68