ARO ½”, 1”, 1 ½”, 2” UL Fuel Transfer Pump – 12 GPM to 105 GPM (45.4 LMP to 284 LPM). Designed specifically for dispensing petroleum-based fuel. Meet UL-79 specification code. Compatible with gasoline, diesel fuel, kerosene, aviation fuel, fuel oil and unleaded fuel. Used for high-volume transfer, bulk-unloading or refueling applications. To meet UL-79 specification, a pressure relief valve opens and bleeds off excess pressure. The relief valve can be plumbed to return the bleed-off fuel to the storage container.