Really pleased with this yogurt maker. It's so easy to use and does what it's supposed to. I've been using it every week since I got it and always had good results. Only used the filter to make Greek yogurt once because it's always thick enough. I make it with fresh semi skimmed milk boiled and cooled. It makes a few batches before it starts to taste a bit too sharp and needs a fresh starter culture. The container is about 13cm diameter and fits in my fridge door - but it is an old fridge, newer ones might not be so roomy.