This is a 6" long In-Line Fuel filter with our 4-5/8" long 8 micron fuel element for extra high flow. This filter is designed to be light in weight and simple to install and plumb. This filter is the best available. The housing is 2-3/4" diameter with a red anodized finish and have an easily removable clear anodized end cap for element replacement. Ports are 1-1/16" -12 straight o-ring.