I want to review a very cool bit of kit which is the Ram 300mm Eco Fan. Ram fans have become a staple of air movement in growers tents/rooms. Gone are the days of the cheap white clip on fans, the 150mm black rams fans have proven more reliable and cost effective. They do another fan I had no idea about until a member here told me about them and since owning them I've not looked back.
I use these fans a little differently from advertised in the fact I hang them. They come with 2 feet which means they can be placed on the ground. The louvre front grill rotates 360 degrees blowing air in a 360 degree area. These fans hanging like I do mean the entire tent gets air every 30 seconds or so, illuminating dead spots where hot air or other nasties will be hanging out. This also means that your entire canopy gets a flow of air but not only a few select areas which can cause windburn etc. Placed on the floor under canopy they do just as well, moving air all over the place. They have 3 speed settings so you can get them exactly how you want them. The front louvre grill can also be switched off so you can get a 1 directional flow of air if you like.
They are cheap to, costing only around £5 more than the smaller clip on fans. I've been using 2 for over a year on 24/7, so look to be reliable.