The Aqua Hot Racor 10-Micron Spin-On Fuel Filter / Water Separator may be installed on the vacuum or pressure side of a fuel pump (up to 100 PSI) with a maximum flow rate of 15 GPH for diesel fuel and 35 GPH for gasoline. The compact size and four port versatility make it a popular fuel filter for small engine applications. The filter features 1/4"-18 NPTF (SAE J467) inlet and outlet fuel ports and a unitized mounting bracket. Its two piece, powder-coated die-cast aluminum construction ensures a long-lasting, durable particulate and water removing filter. Servicing is also made easier by the spin-on bowl assembly and simple cartridge filter changeout procedure.• Die-cast aluminum unitized head ports• 2-piece powder-coated aluminum construction• Filters gasoline, diesel, and gasoline/oil blended fuels• Compact design• Heavy-duty construction• Easy to service Compact size & four port versatility make it popular for small engine applications Two-piece, powder-coated die-cast aluminum construction Spin-on bowl assembly & simple cartridge filter changeout