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 Drainage 3″ x 4″ DS to 4″ – Universal Drainage & Adaptors 3″ x 4″ DS to 4″ Universal Packaged 1 Unit/Box Part #623024004 Available in: Black DrainageSplash Blocks Plastic, Slate, 10″ x 21″ – Splash Blocks DrainageSplash Blocks Concrete, 12″ x 12″ – Splash Blocks