Drop Inlet Filter (DIF)

Drop inlet retrofit – uses existing drop inlet grate

  • Rated: 100% Trash Capture Certified
  • Disease Prevention: Vector Control Approved
  • Type: Drop or Combination Inlets
  • Purpose: Retrofit

Drop Inlet Filter (DIF)

The patented Drop Inlet Filter (DIF) Drop Inlet Filter (DIF-C) Gutter Bin models provides unparalleled protection and accepts the full line of Mundus Bag filtration media.

  • Flexible design fits under existing storm grate in a drop inlet or combo inlet with bent or flat frame (Type 13 & 16)
  • Largest adjustable overflow on the market; meets or exceeds hydraulic capacity of the catch basin
  • Dual stage overflow for 100% trash capture
  • Weathering steel, stainless steel and/or plastic construction to meet local & federal regulations
  • HS-20 load rated – installs below existing storm grate
  • Easily removed for maintenance, relocation, or TV camera access
  • Optional sampling port – can be used for vector control Variable depth for deep or shallow catch basins
  • Compatible with 9, 13 & 16 inch Mundus Bag rectangular and round models
  • Can be used in conjunction with connector pipe screens (CPS) and automatic retractable screens (ARS)
  • Can be used as a pre-treatment solution for subterranean infiltration systems
  • 3 year limited warranty

Service and Installation

  • 5 minute install – no confined space entry, catch basin retrofit, or drilling required
  • Servicing performed in 2 minutes or less
  • Service interval depends upon climate, pollutant load, & infrastructure constraints
  • No special equipment required

Contact Us

800 West Yellowstone Highway, Casper, WY 82601

307.797.7720

heya@frogcreek.partners