US Patented Product : No.D988482, No.D988483, No.D997309, No.D1009230, No.D1012250, No.D1016252, No.11885441 Upgrade Design : This gutter downspout extensions comes with two lengths, 19 "can be extended to 58", 21" can be extended to 68". It comes with an auxiliary connectors, which helps you to connect two drainage pipes to reach the length you need, which will help you to solve the problem of damaged foundation, irrigating garden and so on Thickened Material : This downspout extender is made of PE material, we thicken them to make it harder and sturdier than others. We've done thousands of load-bearing tests, and it can withstand at least 10 pounds without deformation. It is suitable for the complex environment outside your house. You can even bury it in the ground Widely Used : This downspout extender comes with 2 different sizes of downspout adapters to be suitable for 2 x 3 inches, 3 x 3 inches, 3 x 4 inches, 3.5 x 4 inches downspout. To ensure that the drainage pipe can be better fixed to the downspout, we provide 8 nails to help you to secure the drainage pipe and prevent it from slipping off Excellent Performances : It has excellent performances of flexibility, easy to bend, and easy to restore to its original shape with no creases or cracks. It is antifreeze explosion proof and can be used in bad weather, such as snowing, sun exposure, etc. Packing list & Services : 2 x Rain drain pipes, 1 x Connector, 4 x Adapters, 8 x Screws (The screws will help you to hold the extender on downspouts to prevent the extender from being washed away by rain). And we will provide you with 100% satisfactory service and 24/7 responsive customer service plusgutter 2 Pack Rain Gutter Downspout Extensions, Flexible Downspout Extender with 58"+68" Extendable Pipes for Rain Water Drainage, Durable Down Spout Drain Extension with Connector (Green)