The maintenance of door fittings is very important.
You can easily clean most batter with a soft, dry cloth. Stainless steel fittings also need attention to prevent fly rust. That is why it is best to use a special stainless steel cleaner.
Stainless steel cleaner with sponge, capacity 500 ml.
Stainless steel: Stainless steel Intersteel products have generally undergone a brush treatment.
Exterior door fittings are often manufactured from 316 quality, but even this quality is subject to surface corrosion; not from the product itself, but forms on the surface from the outside. Regular wiping with a soft, damp cloth is sufficient and prevents surface damage.
If there is fly fever, caused by the environment, this can be removed by the stainless steel cleaner.
Intersteel product information .