Hi,
these "piggy-packs" are often installed when problems occur lateron e.g. if you have a fertilizer plant nearby and all the salts dissolved in the environmental humidity pass your F-class-fine filters and make your vanes white and clog the holes. Then a piggy-pack e.g. consisting of an F9...
Hi,
@ abeltio: Do you mean Sloe Centrale? That's from me [wink]
@ mjohga: Ist it a pulse system or static filters? There are several possible solutions.
Regards
El
