The wire body is preferably treated to provide a protective oxide coating that limits {HEAD ~ corrosion} and enhances {TAIL ~ its particulate collection and retention ability} 
The wire body is preferably treated to provide a protective oxide coating that limits { HEAD ~ corrosion } and enhances { TAIL ~ its particulate collection and retention ability }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL