Particularly recommended on waters with algae, microalgae and organic substances. Made with a protective layer of extra-resistant polyester. Previously the filters undergo a zinc phosphating treatment, as an additional corrosion protection.
SINGLE CHAMBER WITH MANUAL BACKWASH
Gravel single chamber filter with manual backwash ideal for surface waters, lakes and channels.
FILTERING MANUAL SECTION
Gravel filtering manual section are particularly recommended on waters with algae, microalgae and organic substances. Made with a protective layer of extra-resistant polyester.
FILTERING AUTOMATIC SECTION
Gravel filtering automatic section for surface water, lakes and channels.
MANUAL DOUBLE CHAMBER
The manual double chamber gravel filter allows backwashing with clean water without interrupting the normal filtering operation. It should be noted that the sand does not guarantee a precise degree of filtration and for this reason, filters (screen or disks) are connected at the outlet, which determine the final result of the filtering action.
AUTOMATIC DOUBLE CHAMBER
Automatic double chamber gravel filter allows backwashing with clean water without interrupting the normal filtering operation. It should be noted that the sand does not guarantee a precise degree of filtration and for this reason, filters (screen or disks) are connected at the outlet, which determine the final result of the filtering action.