The square drains and drains are 4 inches wide and 4 inches long with a 2 inch center drain. High water flow is fast. It can be used for bathroom, kitchen, bathroom, balcony, garden and garage renovation. Made of high quality 304 stainless steel, it is sturdy, reliable and durable. The surface of the drain is brushed to resist corrosion, scratches and rust, for longer life. Two "strainers" are for debris/hair, one "strainer" is a square drain grate, smaller than a ring, to speed up the water flow and catch hair, the other is a stainless steel strainer that keeps hair and debris out of the drain. The hook makes it easy to remove the grill or filter for daily cleaning. Gravity closing principle, once the water does not close automatically, can prevent insects and deodorize. An essential floor drain for your home. Manual measurement of this product will inevitably have errors. Please compare the dimensions carefully before purchasing the product. Specifications: Product Name: Floor Drain