KOPOS manufactures the 8915HB inside corner, a white flush mount conduit measuring 25 mm by 20 mm. This cable duct is designed for neatly concealing and protecting wiring at an inside corner junction. It is typically used in both residential and commercial wiring applications. https://elecena.pl/product/28591978/kopos-8915-hb-inside-corner-25x20-mm-white-dust-amp-gas-hazard-safe 2025-05-05 https://elecena.pl/product/28591978/kopos-8915-hb-inside-corner-25x20-mm-white-dust-amp-gas-hazard-safe 2025-07-18 https://elecena.pl/product/28591978/kopos-8915-hb-inside-corner-25x20-mm-white-dust-amp-gas-hazard-safe 2026-06-16 https://elecena.pl/product/28591978/kopos-8915-hb-inside-corner-25x20-mm-white-dust-amp-gas-hazard-safe 2026-07-09