... Tunnel machinery filter element 14V25 TECHNICAL DATA & PERFORMANCES 14V25 FILTER(PLEATED MATERIALFIBERGLASS 14V25 FILTER RATINGMICRON 14V25 END CAPS GALVANIZED STEEL SHEET 14V25 INNER FILTER CORE ... / INNER FILTER SKELETONGALVANIZED STEEL SHEET 14V25 WORKING PRESSURE 14V25 ...