Specification: Item Type: Swimming Pool Drain Material: Stainless Steel, Plastic Product Size: Width: Approx. 107mm/4.2in Height: Approx. 55mm/2.2in Caliber Outer Diameter: Approx. 44mm/1.7in Caliber Inner Diameter: Approx. 37mm/1.5in Gross Weight: 299g/10.5oz Use: A Practical Accessory for Swimming Pools, Spas and Other Places Package List: 1 x SwimmingPoolDrain Note: All data are measured manually, and there are certain errors in the measurement results. Features DURABLE MATERIAL: Pool drain is made of premium stainless steel and plastic material, light weight, sturdy and durable, long service life. LARGE APERTURE: The aperture is convenient for water intake and makes the pool water flow more evenly. ADJUSTABLE DESIGN: Swimming pool drain has a built in screw, adjusting the screw tightness can control the water flow size. PERFECT REPLACEMENT: Floor drain is easy to install and replace, perfect for worn or damaged parts. MULTIFUNCTIONAL: Swimming pool water drain is easy to drain, dredge and clean, practical and reliable to use.