Secondary double glazing unit (Bilton CV22)

3 pane sliding white window that screws to the existing window.

Overall size 175.5 x 102 cm (69"x 40").

2 Panes 56.5 x 95 cm (22.25" x 37.5").
1 pane 60.5 x 95 cm (23.75" x 37.5').

Frame can be taken part for transport though it normally fits in a car without dismantling.

Or you take just the panes if you have other uses for the glass.