<b>Replaces # </b><br>mtd Ryobi 791-181086 791-682039 791-683974 791-683974B 682039 791682039 781-682039 781682039 B1RY22 RY-22<br> <br><b>Compatible with Ryobi</b><br>280 280r 310BVR RGBV3100, 410r tiller / cultivator/ blower<br><br>Compatible with sears echo troy bilt weedeater ryobi STHIL ryan mcculloch craftsman husq-varna trimmer blower chainsaw and other mashine<br><br><b>Compatible with Ryobi</b><br> 600r 700r 700rVP 704r 704rVP 705r 720r 725r 725rE 750r 765r 766r 767r 770rEB 775r 790r trimmer<br> <br>Each of the 2 pack fuel line are 2 feet long; Primer bulb size: Height:31.4mm / 1.236inch ,wide:21.4mm / 0.842inch<br><br>Package include: 1 air filter, 2 primer bulb, 2pcs 2-feet fuel line, 2 fuel filter, 1 spark plug