The upper size of the product is 3inch x 4inch, and the lower size is 2 inch x 3inch, fit rectangular downspouts. [Easy to Install]The rain water catching system is made of heavy-duty material and can be painted, please read the instruction manual or web page illustration carefully when installing. [Multi Purpose]By installing our rainwater collection system, a large amount of rainwater will be transferred to bucket(not included) through the downpipe for reuse. [Eco-Friendly]Rainwater harvesting system saves on water bills and helps conserve water. Such as watering flowers, vegetables, car washing, floor cleaning, etc. Colour:White Material:Stainless steel Package Contents: 1 x rainwater diverter kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.