The yellow webbing secures the filter to the grate and doubles as lifting straps to quickly and easily remove the filter, grate and all, for simple cleaning. YellowJackets are designed to accommodate rectangular inlets as well as square and round drains. Filter Bag High strength woven geotextile • Strapping Weather resistant 2” polypropylene webbing • Overflow 4 overflow portals built into each unit • Flow Rate 200 gpm (gallons per minute) • Dimensions 4 sizes available to fit many storm drains (custom sizing available) • Maintenance Remove with built-in lifting straps, clean filter and replace