Enviro-Equipment 3/16" x 5/16" Non-DEHP Excelon PVC Laboratory Tubing Available in 50 FT rolls. Material Non-DEHP PVC SKU NONDEHP-316516-50 $65.00 Select product 3/16" x 5/16" Non-DEHP Excelon PVC Laboratory Tubing - 50 FT Roll Quantity