Tarnishing...
Without regular cleaning every switch or socket from the VARILIGHT Cu29 Tarnishing Antimicrobial Copper range
will age individually to create a unique style statement and will complement both vintage and contemporary interiors.
To maintain the shiny appearance of VARILIGHT Cu29 Tarnishing Antimicrobial Copper,
and for optimal antimicrobial efficacy, regular cleaning is required.

...Antimicrobial Copper - See Technical pdf