Orbit® 37154 Flexible Riser Pipe, 1/2" x 50'The pipe is durable as the flexible plastic is less likely to break on impact and the spiral barbs on the fittings (sold separately) fasten to the riser flex pipe eliminating the need for glue and clamps. Size: 1 2" x 50' Easy installation or repositioning of sprinkler heads in hard to reach areas Construct custom swing joints Use with 1 2" barb fittings to connect sprinkler heads Flexible polyethylene tubing For outdoor use with cold water only.