Housings do not include filter elements. Black anodized aluminum housings offer the same excellent flow and easy inspection as Allstar standard inline filters. Overall length is 12" and outside diameter is 2". Select a 10 micron paper element or a 63 micron stainless element to complete the assembly (sold separately).Pit Stop USA offers Allstar Performance Aluminum Inline Black Filter Housing (Only) -12 AN - No Element ALL40246 at low everyday prices. Be sure to check out all of our products from Allstar Performance including Allstar Performance Fuel Line Filters and Allstar Performance Inline AN Fuel Filters.