... Pall ring, Tellerette packing, VSP packing ring, rasching ring, Ladder ring, Wire gauze packing,1.Metal pall ringa. Materialstainless steel ... lower pressure reducing, flux is great, high efficient, comparing with other pall ring, HYPAK filling has lower pressure reducing ... lower pressure reducing, flux is great, high efficient, comparing with other pall ring, HYPAK filling has lower pressure reducing ...