Frontline™ Drain Inlet Filters

Left: Illustration of Frontline CBI catch basin insert Right: Illustration of Frontline TDI trench drain insert.

The patented Frontline™ drain inlet filters are your first line of defense against industrial pollutants in stormwater runoff. Available as a catch basin insert (CBI) or a trench drain insert (TDI), Frontline provides the best combination of performance and flow of any drain inlet insert on the market. Frontline is top-rated for removal of debris; heavy metals such as zinc, copper & lead; TSS, oil & grease.

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Top: Frontline CBI frame and filter bag. Bottom: Typical storm grate over Frontline CBI.