Lumax LX-1708T Silver 8 Quart Galvanized Tractor Funnel with Locking Tabs and Removable Stainless Steel Screen Locking tabs insert into gas tank - twist to lock funnel in place Has a rolled edge, high, and splash-proof rim A grooved spout for air-venting Fluted bottom prevents swirling, spout opening 1-1/4 inches Comes complete with removable stainless steel strainer