KOPOS Junction Boxes Cavity wall lining box 621655 - KOPOS KO 125/1L_NA, The KOPOS KO 125/1L_NA is a cavity wall lining box measuring 155 mm by 155 mm. Manufactured by KOPOS, this junction box is designed for use in cavity wall installations. It is typically applied in residential or commercial buildings to ensure secure and convenient electrical connections. KOPOS KO 125/1L_NA Cavity Wall Lining Box 155mm x 155mm 1Piece
