- A variation of the standard twinset, but with a flat bottom making them able to stand on their own without the need of a rubber tank boot.
- Manifold valves are made in Italy to the highest specifications. Radial o-rings provide a secure seal between the isolator valve and the main valve. The valve stem design also features a radial o-ring seal that reduces wear on the stem o-ring.
- V4Tec tank bands are made in Germany of V4A stainless steel DIN 1.4571. The cuts are made with a 2.2 kw platino laser that provides a very high dimensional accuracy. Bending and welding is done by hand. After sanding, the entire surface is further processed. German utility model law protects the unique production method.
- O-rings and grease used for assembly are oxygen compatible
- All components are made in Europe