Product Information


GrateGator is an innovative “above the grate” stormwater filter designed to remove sediment and debris as it enters the catch basin. Manufactured with a durable, high-flow multi-dimensional filter, it offers superior flow rates. With built-in overflow protection, the product is efficient at filtering out contaminants while allowing bypass during heavy rain or extreme weather events.

GrateGator Type B

Optional curb filter?

This product is reusable and can be cleaned and reused for the life of a project.


  • Manufactured with a woven polypropylene geotextile and sewn by a double needle machine using high strength nylon
  • Attaches to the grate with high strength magnets
  • Reusable
  • Color: Black and high visibility yellow
  • Should be cleaned and inspected regularly and after every major weather event
  • Store out of direct sunlight when not in use

GrateGator Full Product Line:

  • Type A: Slides over the grate with an elastic skirt and includes a flip top for maintenance.
  • Type B: Attaches to the grate with high strength magnets (no lifting of the grate necessary)
  • Type C: Attaches to the grate with high strength magnets and has a collapsible overflow that offers vertical containment and will also collapse under vehicle traffic.
  • GrateGator HD: Includes a reinforced base and is more durable. Connects to grate using toggle bolts (with no lifting of the grate).

© 2019 by ACE Earthworks Supply, LLC.  All rights reserved worldwide.

  • Follow us on Twitter @AceEarthworks
  • Follow us on Instagram