Headline polypropylene housings are available two versions: all polypropylene with matching polypropylene bowl, or with lower cost polycarbonate bowl. Housings for element sizes 25-64 to 25-178 are available. Each housing configuration is available without a drain for particulate filtration, or with a manual drain for coalescing applications. Thes housings are widely used in low pressure systems requiring low cost filters, with the good chemical resistance polypropylenr provides.