Improve air quality in the grow area with GrowBright duct filters. Dual-layer design keeps contaminants out with minimal airflow restriction. The outer screen catches bugs and larger particles while the inner activated-carbo...

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Product Review

Improve air quality in the grow area with GrowBright duct filters. Dual-layer design keeps contaminants out with minimal airflow restriction. The outer screen catches bugs and larger particles while the inner activated-carbon lined layer traps finer particulates such as dust, spores, and pollen. GrowBright duct filters are also great for keeping debris out of air-cooled reflectors. Filters install easily over duct/flanging and secure tightly with velcro fasteners.

  • Dust & small particulate filter for 4" round duct/flange air intakes
  • Low restriction dual-layer design
  • Outer bug/larger-particle screen layer
  • Inner activated-carbon-lined smaller-particulate layer
  • Fits over standard 4" round ducting/duct flanging

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