A system of extruded aluminium frame mosquito nets with brush seals. They are mounted on the window frame using dedicated brackets.
The Prime mosquito net can also be used on finished windows in the Naturo 68, Naturo 76 and Naturo 88 systems. The first two use 18 mm safety mounting brackets with springs and additional brush seals to protect the wood. For Naturo 88, the mounting elements are 19 mm wide.