Flex-Drain 51910 Flexible/Expandable Landscaping Drain Pipe, Perforated, 4-Inch by 12-Feet , Black LOCKS & LATCHES Seat thickness at 4

Seat thickness at 4

Both functional and decorative

: Featuring a backrest with vertical lines

OPTIMAL FIT: The unique custom slide track bracket and board install system gives you the ability to adjust the position of the running boards forward or backward to your liking

Flex-Drain 51910 Flexible/Expandable Landscaping Drain Pipe, Perforated, 4-Inch by 12-Feet , Black LOCKS & LATCHES Seat thickness at 4Flex Drain 51910 Flexible Expandable Landscaping Drain Pipe, Perforated, 4 Inch by 12 Feet Pipe unfolds and expands from 15 inches to 12 feet Perforated pipe is for ground water drainage (French drains, dispersing water from flower beds) where soil is coarse Exceeds all applicable ASTM Standards Compatible with most traditional 3 inch and 4 inch corrugated pipe and 4 Inch PVC