Loop Metal Dryer Vent Kits- with Elbows Features One piece Flexible pipe Two Close Elbows™ Four Metal Clamps Diameter Part # Qty Package 4″x6′ V830 Builder’s® Best Loop Kit 110043 4 Ind Box 4″x6′ V430 Readi-Pipe™ Loop Kit 110049 4 Ind Box 4″x8′ V430 Readi-Pipe™ Loop Kit 110050 4 Ind Box 4″x8′ V220 Basic Loop Kit 110051 4 Disp. Box