Weber Universal Stainless Steel Smoker Box for Grills - Perfect for BBQ, Smoking Meats & Enhancing Flavor on Gas or Charcoal Grills

First off you really need to follow the directions and let the chips sit on the grill for 20 minutes plus. You will have no smoke and then all of a sudden you have good smoke. It works great. I like the easy opening lid on the smoke box. It makes it easy to add wood chips to the box. Also I can move the smoker to anywhere on the grill. If I am not smoking i.e. when I have the hordes of family member over for a birthday etc, I take the unit off the grill and I have the full grill top. This unit is flexible.I have the Weber S-330. I put the smoker box over the right burner. I have all the other burners off and govern the heat by the one burner. Note: If you leave the right burner on high and all the other burners off your max temperature is around 350 degrees. That is in the summer time with around an outside temperature of 80 degrees. From there you can work the temperature down. ;-)For a gas grill some people say not to soak your chips. With this smoker box if you decide NOT to soak your wood chips, line the bottom of the box with aluminum foil. This smoker box has holes on the top and bottom so it will heat up. If you do not soak your chips the aluminum foil will slow down the burn and stop the chips from going to fire. If you soaked your chips then put them in the smoker box with no issues. Note: If you don't soak your wood chips and don't line the bottom of the smoker box with aluminum foil, keep an eye on your grill temperature. If you are sitting at 250 degrees and all of a sudden your temperature start to sky rocket, your chips are on fire. :-o I would carry a little spray bottle with you to put out the burning wood chips or have some soaked wood chips available to put over the wood chips that are on fire. Don't pour water on the box it will warp the metal.I like the box. It produces good smoke. I would suggest soaking your wood chips because the box will produce smoke. I like the fact that if you decide you don't need a lot of smoke, you can line the bottom of the unit with aluminum foil and the unit can produce less smoke. I like the fact the smoker box is on the grill and not in it. It allows more flexibility by not taking away from my grill surface when not smoking. :-)