Shower head arm with anti-sand filter, 40 cm "If you are looking for a heavy shower arm in chrome plated brass with anti-sand filter round style, 30cm" arm for overhead shower complete with anti-sand filter. This article can be installed in any type of shower, it has a standard 1/2 attack. The particularity of this shower arm is that inside it has an easily removable anti-sand filter that collects impurities in the water. The same filter is easily washed and reused many times. The overall length is 40 cm and comes complete with rosette and filtration system.