Filter showers are used for sprinkling water over a coffee pod or for filtering a beverage.
The method of perforating holes is the same type as for other filters http://dev.glueglue.com/ims/foratura-ims/
The reference measurement for filter showers is the outer diameter (Ø) of the flat filter.
The central hole can be on a flat plate or shaped. The size of the hole on a flat plate is specified in millimetres, while in the shaped hole it is the size of the standard screw, referred to as M in the figure, to be specified.
Showers are drawn out as per customer specifications to ensure the best match between the shower plate and its supporting base.
Upon request, showers can be embossed or laser marked with alphanumeric codes, writings or logos, where space permits it.