Nalgene 180 PVC Non Toxic V1 Grade Tubing 5/16" ID x 1.5 Metre's Brand New | eBay
Thermo Scientific™ Tubos de PVC de plástico transparente Nalgene™ 180, 5/16 x 1/2 I.D. x O.D. x Wall: 3/32 x 5/32 x 1/32 in.; 50 ft. Thermo Scientific™ Tubos de PVC de plástico transparente Nalgene™ 180, 5/16 x 1/2 | Fisher Scientific
Nalgene 8000-1065 180 PVC Clear Vacuum Tubing 10 FT