Made of hard aluminum, polished with black paint.
Folded cap with pulse lock mechanism. An unbreakable 4mm gradient plastic coiled tube is located inside an opening for unlimited flow of friction-free mercury. A very visible gradient in red. The filtration system maintains the mercury purification for effective performance. The tank closing system ensures that the mercury remains during storage, transportation or maintenance. AD black nylon hoop with ADC size guide marketing system prevents wrong hooping. Invert valve and AD flux with filter barrier protection. It is not made of natural rubber. Foreign components are assembled, inspected, and packed in the United States of America. Lifetime warranty on coiled tube. Conforms to or exceeds European standards SAI / AMI / ISO or 81060-1
