Some dark air filter material or thin dark cloth.
jakester Reviewed by jakester on . intake quiery hi everyone,im setting up a growroom in the back of my shed,ive sectioned off the last 75cm of the shed,so i can pull air from the rest of the shed,i have a 10cm outtake fan so i was going to use 2x10cm plastic pipes 1-1.2m long.my question is this "how do i stop light leaking down the pipes when the light is off" thanx in advance 4 any help!!!:jointsmile: Rating: 5