HYDROMAXX 1/2 in. x 25 ft. PVC Schedule 40 White Ultra Flexible Pipe 2201012025 - The Home Depot
Amazon.com : Sealproof Flexible PVC Pipe 1-1/2 Inch Dia Hose 25 FT Length, Black Tubing, Schedule 40, Premium Quality Made in USA : Tools & Home Improvement
Flexible PVC Pipe - Crush Resistant, Light Weight, Plastic Tubing made for S-40 Fittings