POWERTEC 4 in. x 20 ft. Flexible PVC Dust Collection Hose, Clear Color 70143 - The Home Depot
HydroMaxx 1-1/2-in x 10-ft Schedule 40 PVC Pipe in the PVC Pipe & Fittings department at Lowes.com
Amazon.com : Sealproof Flexible PVC Pipe 2 Inch Dia Hose 50 FT Length, Black Tubing, Schedule 40, Premium Quality Made in USA : Tools & Home Improvement
Universal 60 Inch Flexible Shower Hose - Extra Long, Stainless Steel, Double-Buckle For Handheld Showerhead - Aqua Elegante - Chrome - Amazon.com
Flexible hose for drinking water Saniflex®-AL ACS DN25 with stainless steel couplings AISI316L - 404025IN | INDUMAT