4pc soil sieve set, 12" diameter - stainless steel frame three interchangeable sieves with varying mesh sizes grade - mix soil filter large debris replacement screens available great for bonsai joshua roth limited / tinyroots bonsaioutlet's own four-piece soil sieve set is one of our best-sellers, thanks to our low price and wide variety of applications! when you pick up a set, you're likely to be surprised at how many uses you find for them. with three separate mesh options ( .1" .2" and .25") there's a lot of room to create the best possible soil for your bonsai or other plants. you can easily filter out chunky additions to commercial blends when you need fine soil, or take out fine particulate contamination from existing soil that's causing it to clump up. they can just as easily remove larger impurities, and are a good option when you're repotting a plant. running the soil through larger sieves can grab items that have gotten mixed in over the months, as well as insect carcasses and similar impurities. as you can see from the reviews below, these sieves are being put to work in a wide variety of applications in the home and garden, as well as aquariums and archaeology. we keep hearing about new uses for them that even surprise us! these sieves are a wonderful multi-purpose sifting tool for any garage or shed, while costing far less than similar sieves sold as scientific equipment. they're also a great gift for any gardening enthusiast. bonsaioutlet's four-piece sieve set is an excellent value, and as always, is covered by our own money-back guarantee.