Goberco Under Deck Drainage System -Z/50/16-50 ft. Long Roll, for 16 in.Joist Spacing, 30 Mil Thick Trough, Top Side is Black and Down Side is White.

Goberco Under Deck Drainage System -Z/50/12-50 feet Long Roll, for 12 inches Joist Spacing, 30 Mil Thick Black Trough Top Side, Down Site is White, Create Dry Below Deck Storage