Blackout Vents

Keep your greenhouse environment controlled with our BLKOUT Vent Covers, designed to allow air movement while blocking light transmission by 99.99%.
 
What's Included:
BLKOUT vent covers that fit over fans and rear vents
Galvanized steel box for easy mounting
 
Key Features:
Effective Light Blocking: Reduces light transmission by 99.99%, ensuring your greenhouse conditions stay consistent.
Easy Installation: Simply place the covers over your fans and vents—installation takes just minutes.
 
Upgrade your ventilation system with our BLKOUT Vent Covers for a more controlled and efficient greenhouse environment.