Amerimax FLEX Drain 4 In. X 25 Ft. Expandable Perforated Drainage Pipe with Sock Hummingbird Feeders The Culligan(TM) HD 950A Heavy Duty Sediment Size:3 1 4" drop x 2" rise (3 Piece) HBB04 The Culligan(TM) HD 950A Heavy Duty Sediment Filter allows you to preserve and protect your household plumbing and water using appliances Some knife lovers will settle for nothing less than Chrome Vanadium blades Perforated FLEX Drain with removable polyester sock can be used in most drainage applications where surrounding soil or sand is fine enough to require filtration and or surrounding debris is considerable The soil tight fittings are built into the pipe and the pipe holds its shape after it is bent