TerraBloom 6" Air Filter 24" Long, 1.8" (46mm) Thick, Airflow up to 550 CFM 12/3 which only have the carbon

which only have the carbon bed that is 38mm thick

REMOTE SPEED ADJUSTMENT: Using wireless remote speed controller ECMF-R series fans' speed can be adjusted from 15%-100% without creating any additional hum or background noise

Adjust the motor speed from 35%-100% (980-2700 CFM) without creating any additional hum or background noise

This fan beats Energy Star most efficient threshold for inline fans

TerraBloom 6" Air Filter 24" Long, 1.8" (46mm) Thick, Airflow up to 550 CFM 12/3 which only have the carbonTerraBloom premium carbon filters have industry leading 1. 8 (46mm) deep carbon bed that is at least 1 3 thicker than competition. Our filters scrub air better and have longer lifespan. We use only highest grade, granular Australian activated charcoal, which gives you better adsorption and superior carbon porosity to capture odors, VOCs and other airborne pollutants in growing, laser engraving, food processing and manufacturing applications. This