A little bigger than a telephone book. It doesn't have to go inside, even if you aim it at the box it will heat it.
Chronic Chrissy Reviewed by Chronic Chrissy on . quick question actually 2 quick questions. can i leave my light on my plants 24/7 till flower? and my next question is should i bother getting a 75 watt hps to add to my grow box? Rating: 5