Product Detail:


Replacement Filters | Department of Transportation Filter (D.O.T)


Department of Transportation D.O.T

DOT filters (Round or Square) are designed as a 2-stage filter with 12'' of maximum filtration material on lower half and maximum overflow capabilities in the upper half. This design addresses flooding issues while offering maximum efficiency in or near travel lanes. Frames available in round base or square base. Fits 60'' outside diameter.

DOT filters (Round or Square) are designed as a 2-stage filter with 12'' of maximum filtration material on lower half and maximum overflow capabilities in the upper half. This design addresses flooding issues while offering maximum efficiency in or near travel lanes. Frames available in round base or square base. Fits 60'' outside diameter.
Product Features:
  • Each filter has been customized to offer the best fit for either the round or square frame
  • Installation is simple: place the filter over the frame and fill the pockets with sand, soil or rock
  • Creates a perimeter seal around the base of the frame. Provides weight necessary to stabilize the assembly unit.
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