... screening filter is made of triangular wire (V-shaped wire). Specifications: Diameter: 1" to 30". Slot openings: from 0.10 mm (0 ... area, so offers a better contact with the aquifer. 2. V-type profile of the structure to avoid clogging and ensure ... washing, long service life, safe, reliable, comprehensive and low cost. Slot(mm): 0.15,0.25,0.50,0.75,1 ...