Simple and convenient installation will not waste your time and energy. The anti-blocking feature makes it possible to improve water flow and prevent water accumulation. The reusable feature allows it to be used for a long time. And the wide range of applications makes it very reliable and practical for you to use. Made of plastic material, it is very durable to use. The length of this product is 14cm and the diameter is 12cm. It is suitable for eaves, outdoor, roof, home, garden sewer and so on. Item Name: Roof Drain Material: Plastic Features: Filter Contaminants, Anti-blocking, Reusable Size Details: Size: 14cm x 12cm x 12cm/5.51" x 4.72" x 4.72" (Approx.) Installation Diameter: 6cm/2.36" (Approx.) Installation Depth: 4.5cm/1.77" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 3 x 1 x Roof Drain