Molded Screen for 2” Mini sigma and 4" Sigma Pro Filters 1200 Sq.cm (including 2 O-Rings [200 Sq. Inch] The 4" Sigma Pro contain 5 Screen element per each filter unit.
Sigma Filters Screensfor creation of a large filtration area relative to its size and handling of high flow rates per area Suction-scanning ready screen technology. Amiad automatic screen filtration.