Home / Drainage / FLEX-Drain® 4″ x 12′ Perforated Pipe FLEX-Drain® 4″ x 12′ Perforated Pipe FLEX-Drain® 4″ x 12′ Perforated Pipe Part #622512004 Category: Drainage Additional information Additional information Size 11 7/8", 15", 18" Related products Drainage FLEX-Drain® 4″ Coupler FLEX-Drain® 4″ Coupler Part #622520004 DrainageSplash Blocks Plastic, Slate, 10″ x 21″ – Splash Blocks DrainageSplash Blocks Concrete, 11″ x 18″ – Splash Blocks Drainage FLEX-Drain® 2″ x 3″ x 4″ Downspout Adapter FLEX-Drain® 2″ x 3″ x 4″ Downspout Adapter Part #622522004