All Plastic Eggcrate Return Filter Grilles

Made from engineered polymers, our Stratus Return Grilles are designed to outperform and outlast comparable metal grilles. They won’t rust, fade or corrode making them the perfect option for high humidity environments.

Stratus - Round Collar Transition Filter Grille

UL 2043 fire rated version available. All meet UL 94HB flame spread test.

Easy Install and Upkeep

  • Hinged grille face drops down to:
    • quickly change filter
    • easy removal for cleaning
    • commercial dishwasher safe
  • Never needs painting
  • Scratches won't show
  • Indistinguishable from metal when installed
  • Flame Resistant
    •  meets UL94HB flame spread test
    •  fire rated version available that meets UL 2043, test for fire, heat, & smoke for air handling spaces

Overall Size - 23.75" x 23.75" for T-Grid ceilings. 1/2" x 1/2" x 1/2" cubed core

Available in 6", 8", 10", 12", 14" neck sizes, in white and black

Contact Us for More Information
Stratus Plastic Round Collar Filter Grille White
  • Stratus Plastic Round Collar Filter Grille White
  • Stratus Plastic Round Collar Filter Grille Black
Style Part NUmber Neck/Duct Size Color
Round Collar STR-ERFG-6W 6" White
Round Collar STR-ERFG-8W 8" White
Round Collar STR-ERFG-10W 10" White
Round Collar STR-ERFG-12W 12" White
Round Collar STR-ERFG-14W 14" White
Round Collar STR-ERFG-6BK 6" Black
Round Collar STR-ERFG-8BK 8" Black
Round Collar STR-ERFG-10BK 10" Black
Round Collar STR-ERFG-12BK 12" Black
Round Collar STR-ERFG-14BK 14" Black

Add to Part Number

- FR for UL 2043 Fire Rating


Better than metal diffusers, they're plastic!
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