Visu-Filter Fuel Filter 701C 8420-01-9909 Available in seven sizes to fit 1/4in. and 5/16in. (6-7mm) fuel lines High-impact nylon housings Sonically welded for no-leak, no-break performance Sold to dealer as a display card of 20; sold to consumer as each Fuel Line: 1/4in. I.D.