Gardena Circular Sprinkler Vario/Sled #31948-5I've been using Gardena products for well over twelve years. During that time I have never been disappointed by any of thier products. Not until now. I am completely disappointed with the performance of this product. After about 10 to 15 minutes of use, the sprinkler stops spinning and only sprays water in the same direction, soaking the same portions of the lawn. I disassembled and reassembled it. I ran it with and without the filter. I altered the pressure (volume) of the hose. I tried the different settings. All to no avail. The product just doesn't do what Gardena claims. I hope it's the nature of the item and not the product. If I knew how to return or exchange it, I would do so in a heart beat. Since I purchased through Amazon, I'm not at all sure of the return process. It's in my gargage getting dusty.