F-Tronic 7360028 cavity wall lining box is designed as a windproof solution with dimensions of 68 mm by 47 mm. This 25-piece set is ideal for securing electrical junctions within cavity walls. Typical applications include installations in new builds or renovations where airtightness is a priority. https://elecena.pl/product/29005374/f-tronic-7360028-cavity-wall-lining-box-windproof-dia68x47mm-25-pieces 2025-07-01 https://elecena.pl/product/29005374/f-tronic-7360028-cavity-wall-lining-box-windproof-dia68x47mm-25-pieces 2026-07-12