Best Standard Downspout Size

plusgutter White-2pack Rain Gutter Downspout Extensions Flexible, Drain Downspout Extender,Down Spout Drain Extender, Gutter Connector Rainwater Drainage,Extendable from 21 to 68 Inches

HAHOME 2 Pack Rain Gutter Downspout Extensions,Drain Downspout Extender Diverter, Flexible Downspout Extensions Can Extendable from 21 to 60 Inches (Black)

Flex-Drain ADP53102 Downspout Adaptor, Landscaping Drain Pipe Adapter 3 by 4 by 4-Inch , Black

Prestantious 7ft Long Gutter Downspout Extensions, 3" Downspout Extender Drainage Pipe for 2"×3" Downspout and 3"×4"Downspout, Flexible Pipe Stretched Length 7ft, Black,1-Pack

Gutterlix 2 Pack Flexible Gutter Downspout Extensions Extendable from 21" to 67", Downspout Extender Comes with Adapters, Thickened Down spout Drain Extension for Rainwater Drainage(Brown)

Sankoly 4 Pack Downspouts Gutter Guard Aluminum Filter Strainer Expandable Gutter Downspout Guards Gutter Downspout Protectors for Preventing Blockage from Leaves, Debris

Monarch Rain Chains 20042 Black Aluminum Powder Coated Gutter Adapter Rain Chain Installation, Standard

Gutterlix Flexible Gutter Downspout Extensions, Connectable Downspout Extender with 58"+ 67" Extendable Pipe, Thickened Down spout Drain Extension for Rainwater Drainage(2 Pack, White)

Prestantious 7ft Long Gutter Downspout Extensions, 3” Downspout Extender Drainage Pipe for 2"×3" Downspout and 3"×4"Downspout, Flexible Pipe Stretched Length 7ft, White,1-Pack

Prestantious 8.5ft Long Gutter Downspout Extensions, 2” ID Small Size Downspout Diverter Drainage for 2"×3" Downspout, Inside Diameter 2 Inches, Each Flexible Pipe Stretched Length 8.5ft(White-2 pack)