Kopos manufactures the KP 68 /DST dry lining box with dimensions 71 x 73 x 45 mm. This junction box is designed for use in hollow walls and accommodates electrical connections. It is typically employed in residential and commercial interior installations. https://elecena.pl/product/28591942/kopos-kp68-d-st-dry-lining-box-71x73x45mm-flexible-membrane-airtight 2025-05-05 https://elecena.pl/product/28591942/kopos-kp68-d-st-dry-lining-box-71x73x45mm-flexible-membrane-airtight 2025-07-18