ive made a new grow box as of today lol. it measures at 18.1/2" by 17 1/2" and its 30" tall. would i need the 140mm for this or should i still use the 120mm? this box will be for auto strains and will be using just red spectrum in it. plannin on puttin a 200w ontop and 3 45w around the plants. thanks for the advice
adiitaff Reviewed by adiitaff on . Pc Fans. Just Wonderin Can i use 4 x 120mm pc fans for my grow box. 2 for intake and two for exhaust? im usin a cardboard box which is about 13 inch by 13inch. and around 2ft tall. thanks to any1 that replys as not alot do! Rating: 5