Amazon.com: JUNZHIDA Silicone Tubing 4mm ID X 6mm
Quickun Pure Silicone Tubing, 4mm ID x 6mm OD High Temp Food Grade Tube Pure Silicone Hose Tube for Home Brewing, Beer Line, Kegerator, Wine Making, Aquaponics, Air Hose by Proper Pour (3.28 Ft) 4.5 out of 5 stars 422
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