China Clear Acrylic Tube Pipe 220mm Diameter Cylinder-Aquarium Large Cylinder Acrylic Aquarium Tank for Sightseeing - China Diffusion Tube, Plexiglass Tube | Made-in-China.com
100mm Acrylic Tube
Eco Acrylic Cast Clear Tube | Plastock
Cast Acrylic Tube - 11.75", 298mm (8" Series)
Acrylic, Tube, Clear, Extruded, (2 in x 1.5 in x 6 ft) | Curbell Plastics
Cast Acrylic Tubing 2.375" OD x .250" Wall at ePlastics