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 Corrugated Tubing - OpenBuilds Part Store
Stainless Steel Flexible Tubing
Alpine Corporation 2-in ID x 50-ft PVC Black Vinyl Tubing in the Tubing & Hoses department at Lowes.com
High Quality Food Grade Flexible Silicone Tubing 2mm ID x 4mm OD - MODDIY
1.5-Inch Metric Tubing | Flexible PVC Pipe | The Pond Guy