Home Tank Inspection 6. Sampling Equipment Sample Flask – Top-Bottom Sample Flask – Top-Bottom Designed to take samples from the top or bottom of the unit. Made from highly polished stainless steel. Standard sizes are 500ml and 1L. Buy Now Categories: 6. Sampling Equipment, Tank Inspection Tags: Dip Tape, Dip Tape Suppliers, Steel Dip Tape, Tank Dipping Tape Description Product Code Size 1521 500 ml 1523 1 l Related products Rigana Dip Rod Accessories, Tank InspectionRead more Rigana Dip Bobs Accessories, Tank InspectionRead more Wooden Dip Sticks 5. Dipsticks.Read more Intrinsically Safe Conductivity Meter Aviation Testing Equipment, Tank InspectionRead more