General description The 4 Pack Aluminum Gutter Strainer is designed to effectively prevent leaves, moss, and dirt from entering your drain, saving you time and money on professional cleaning services. Made from premium aluminum alloy, these durable and flexible gutter filters are rust-proof and built to last, ensuring a long service life. Technical specifications Material: Aluminum alloy Quantity: 4 pieces Installation Easy to install by adjusting the downspout guard to the appropriate size. Usage Suitable for all kinds of weather conditions, including snow and storms. Can be installed outdoors on rainwater pipes. Other information Package includes 4 expandable rain pipe protection grids.