Frontline Drain Inlet Filters

Patented FrontlineTM 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) in both Basic and Pro models, Frontline provides the best combination of performance and flow of any drain inlet insert on the market. Frontline is top-rated for the removal of debris; heavy metals such as zinc, copper & lead; TSS, oil & grease. Its flexible design fits under the existing storm grate in a drop inlet or trench drain configuration. Frontline is easy to install and maintain with off-the-shelf, replacement filtration bags.

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