For use with 1/4” ID hose and a 1/4" NPT Bung. Can be used with GAS and GASONOL! Perfect for custom aftermarket tanks with 1/4" NPT Bungs... Listing is for ONE (1) Filtered Petcock constructed of high grade Brass and Steel with a Straight Hose Barb. Petcocks come chrome plated to look good for years to come. Works with custom tanks that feature a female 1/4" NPT Petcock Bung. Male 1/4" NPT thread. 1/4" barb accepts 1/4" ID hose. "R" (Reserve), "ON" and "OFF" just like OEM. Designed to be used without O-Rings which typically dry up and leak over time. The built-in filter allows for extra protection against debris entering your fuel system while still providing maximum flow. Please make sure that you have at least 2-3/8" from the bottom of the petcock bung and the nearest obstruction in your tank (Baffles etc). We also offer these Petcocks with 90 Degree hose fittings. Dimensions: Overall Length = 4-1/2" "Face" Width = 1-5/8" Depth = 1-1/2" Thread = Male 1/4" NPT The Length from the bottom of the threads to the top of the filter is 2-3/8" (Please check to make sure that this will fit in your tank.) Finish: Chrome Plated Accommodates: Works with custom aftermarket tanks with a 1/4" NPT Bung and clearance for the filter inside the tank. A fuel hose with a 1/4" ID.