Usage scenario: Metal cover can be used to filter weeds, fallen leaves debris; protect gutters downspouts from blocking, saving time cleaning gutters downspouts 4 metal trench covers SIZE: 15 8 8 cm [the diameter can be adjusted, the length can also be cut as needed) How to use: Adjust the diameter of the filter screen according to your needs so that it is slightly smaller than the diameter of the downpipe, then insert it No repeated maintenance is needed, so you don't have to worry about the water line clogging you don't need to spend a lot of time effort to unblock the water line water Product Description It can prevent leaves, branches, dirt, etc from blocking your drainage pipes, extend the life of your drainage system save time energy Material: aluminum alloy Color: silver Number: 4 Dimensions: 15 x 8 x 8 cm Note: The edge of the product is slightly sharpened, which allows you to easily poke your h Be careful It's BETTER to wear gloves when using it Contents: 4 filter screens