... 2) size : 5/64" to 2" 3) food grade 4) soft ,transparent ,clear 5) thickness :1mm to 4mm ... transportation of milk ,beer ,jam ,distilled liquor and other foods.CHARACTERISTICS flexible,durable,non-toxic,without ... odor, resistant to high pressure and erosion.By adding colorful symbol lines on ... to avoid impact pressure and protect the hose from being damaged. pvc flexible hose food grade