RainDrain URD46-GN Rain Drain, Green RAINDRAIN is a the Original Rain removal system Keeps water away from foundations and basements Prevents erosion and landscaping washouts Premium UV inhibited vinyl for durability and pliable softness Fits standard downspouts  2" x 3" and 3" x 4" and 4" round Easy to install, gasket and clamp included Easy to remove, recommended to remove and store during freezing temperatures, additional gasket/clamp needed