Metal end caps are available in a variety of configurations and styles. The open/open style consists of two open metal end caps. The open/closed style consists of one open end cap, and a closed end cap with an optional bolt hole. Metal end caps can be made with or without gaskets, on one or both ends. Gaskets are available in a variety of materials.
Standard construction consists of a perforated or expanded core, made of galvanized carbon steel sheet metal. These cores surround either a pleated textile or paper media. Textile media is supported between two layers of epoxy coated screen while most paper media is supported by outer expanded metal shells.
Metal end caps may be used for higher temperature environments along with special potting compounds.