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Review on Premium Calimaero VKE 5-Inch Stainless Steel Air Vent Louvre With Gravity Flap Grille by Mark Marcellus

Revainrating 5 out of 5

Great product good for me

Using this to vent my beer brew house through the nearby wall. It looks great and works well. Louvres stay closed to block the outside air well. Please note you will need a fairly strong fan to keep the louvres open during exhaust. I have a 700 cfm fan and that certainly keeps them open. If you have a weak fan, as others have mentioned, the flaps will open and close rapidly. Very happy with it.

Pros
  • Easy to install, with no special tools required
Cons
  • May not be energy efficient