Food Grade Silicon Tube Dimensions in mm: Ref. Wall ID OD#13 1.6 0.8 4.0#16 1.6 3.2 6.4#17 1.6 6.4 9.5#18 1.6 7.9 11.1#15 2.4 4.8 9.5#24 2.4 6.4 11.1#36 2.4 9.5 14.3#82 3.2 12.7 19.0Silicon Tube£5.04PriceTube Size / LengthSelectQuantity*Add to Cart