{"product_id":"ultratech-9851-grate-guard-28-x-28-sediment-high-flow-with-overflows","title":"UltraTech 9851 Grate Guard, 28\" x 28\", Sediment, High Flow, With Overflows","description":"\u003cp\u003eUltraTech 9851 is a high-flow Ultra-Grate Guard sized for 28\" x 28\" flat catch basin grates, designed to capture sediment and debris while allowing overflow bypass through integrated overflows. It uses a woven high-flow fabric and hook-and-loop attachment, sliding over the grate so pollutants are retained at street level for easier cleanout.\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHigh-Flow Sediment Model with Overflows\u003c\/strong\u003e – Configured as a “Sediment Only” high-flow grate guard with overflow features, allowing stormwater to bypass through designated overflow areas during heavy rain while retaining sediment and debris.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e28\" x 28\" x 4\" Flat Grate Coverage\u003c\/strong\u003e – Sized to fit 28\" x 28\" (711 x 711 mm) flat grate catch basins, with a 4\" (102 mm) profile to provide sediment storage volume at the inlet.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHigh-Flow Woven Fabric Construction\u003c\/strong\u003e – Manufactured from high-flow woven geotextile (polypropylene) that allows runoff to pass through while blocking sediment and fines, in line with UltraTech’s high-flow grate guard fabric specifications.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHook-and-Loop Grate Attachment\u003c\/strong\u003e – Slides onto the storm drain grate and uses heavy-duty hook-and-loop fasteners to remain secured during operation, allowing the unit to be removed and reinstalled without tools.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eStreet-Level Sediment Maintenance\u003c\/strong\u003e – Keeps captured sediment, silt, and debris at street level so they can be removed with a broom or flat shovel, reducing the need to lift or remove the grate during routine cleanouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; font-family: Arial, sans-serif; font-size: 14px;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9851\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUltra-Grate Guard – Sediment Only, High Flow with Overflows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28\" L x 28\" W x 4\" H (711.2 x 711.2 x 101.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrate\/Drain Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat grate catch basins – 28\" x 28\" opening (nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 lbs (0.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Flow Woven Geotextile (Polypropylene)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh Flow with Overflows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSediment\/Oil Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSediment Only Model – captures sediment, silt, and debris; 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