Odor Control Systems
Control odors at the source with professional odor control systems—carbon filters, fan & filter combos, and HEPA intake solutions sized for your space. Keep air clean and discreet with pre-filters, air boxes, and UV/ozone options for reliable grow room odor control.
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Ona Pro Gel -- 1 Quart
Vendor:OnaRegular price $22.52 USDRegular priceUnit price / perSale price $22.52 USD -
Ona Pro Gel -- 5 Gallon
Vendor:OnaRegular price $190.97 USDRegular priceUnit price / perSale price $190.97 USD -
Ona Pro Gel Breeze
Vendor:OnaRegular price $46.64 USDRegular priceUnit price / perSale price $46.64 USD -
Ozone Generator Replacement Bulb
Vendor:DL WholesaleRegular price $25.83 USDRegular priceUnit price / perSale price $25.83 USD -
Phat Filter 12 inch x 4 inch, 200 CFM
Vendor:Phat FilterRegular price $109.03 USDRegular priceUnit price / perSale price $109.03 USD -
Phat Filter 16 inch x 6 inch, 375 CFM
Vendor:Phat FilterRegular price $160.06 USDRegular priceUnit price / perSale price $160.06 USD -
Phat Filter 24 inch x 6 inch, 500 CFM
Vendor:Phat FilterRegular price $192.11 USDRegular priceUnit price / perSale price $192.11 USD -
Phat Filter 24 inchx8 inch, 600 CFM
Vendor:Phat FilterRegular price $215.75 USDRegular priceUnit price / perSale price $215.75 USD -
Phat Filter 39 inch x 10 inch, 1400 CFM
Vendor:Phat FilterRegular price $330.54 USDRegular priceUnit price / perSale price $330.54 USD -
Phat Filter 39 inch x 12 inch, 1700 CFM
Vendor:Phat FilterRegular price $363.49 USDRegular priceUnit price / perSale price $363.49 USD -
Phat Filter 39 inch x 8 inch, 950 CFM
Vendor:Phat FilterRegular price $290.62 USDRegular priceUnit price / perSale price $290.62 USD -
Phat HEPA Intake Filter - 10 in
Vendor:Phat FilterRegular price $51.46 USDRegular priceUnit price / perSale price $51.46 USD -
Phat HEPA Intake Filter - 12 in
Vendor:Phat FilterRegular price $64.03 USDRegular priceUnit price / perSale price $64.03 USD -
Phat HEPA Intake Filter - 6 in
Vendor:Phat FilterRegular price $30.49 USDRegular priceUnit price / perSale price $30.49 USD -
Phat HEPA Intake Filter - 8 in
Vendor:Phat FilterRegular price $23.38 USDRegular priceUnit price / perSale price $23.38 USD -
Phat Pre-Filter 16x6
Vendor:Phat FilterRegular price $13.40 USDRegular priceUnit price / perSale price $13.40 USD
Odor Control Systems
For Grow Rooms, Greenhouses & Indoor Farms
Keep your environment clean, discreet, and compliant with professional odor control systems engineered for controlled-environment agriculture. This collection brings together carbon filters, fan & filter combos, pre-filters, intake, dust & HEPA filters, air boxes, and chemical or UV solutions (ozone/oxidizers/UV purifiers) to remove odors, VOCs, spores, and fine particulates from the air as it moves through your tent, room, or greenhouse. Pairing an inline duct fan with a correctly sized carbon filter lets you scrub exhaust air at the source while pre-filters extend service life and maintain peak CFM. For make-up air, intake and HEPA filters block dust, mold, pollen, and pests before they ever reach your crop. Need extra polish? Air boxes and odor neutralizing gels/sprays provide targeted control, while ozone, oxidizers, and UV purifiers treat air streams to neutralize persistent smells...
Why This Collection Helps Growers
- Rapid, reliable odor mitigation at the source
- Cleaner intake air to reduce disease pressure and equipment fouling
- Longer carbon bed life with pre-filtration to protect against clogging
- Stable negative pressure and consistent CFM for predictable results
- Options for exhaust scrubbing, recirculating scrub, and final-stage polishing
Best Uses
- Grow tents and home grow rooms needing quiet, discreet exhaust
- Commercial rooms and greenhouses requiring strict air quality and compliance
- Facilities near neighbors where odor neutrality is essential
- Propagation-to-finish environments seeking particulate and pathogen reduction
Types of Odor Control Solutions
- Carbon Filters & Fan/Filter Combos: Activated carbon captures odors, gases, and VOCs as exhaust air passes through; pair with properly sized inline fans for efficient scrubbing.
- Pre-Filters: Wraps or sleeves that trap dust and debris before they reach the carbon bed—maintain CFM and extend filter life.
- Intake, Dust & HEPA Filters: Scrub incoming air to block bacteria, mold, pollen, insects, and fine particulates.
- Air Boxes (Inline Carbon Housings): Inline enclosures to filter dust, foreign particulates, spores, and odors in duct runs.
- Gels & Sprays: Odor neutralizers for localized areas, entries, or ancillary spaces.
- Ozone, Oxidizers & UV Purifiers: Advanced treatment that neutralizes odors and organic compounds in air streams (use according to manufacturer safety guidance).
How to Size & Set Up
- Calculate room volume (L×W×H) and target 30–60 air changes/hour to determine required CFM.
- Match the filter’s rated CFM to your fan’s operating CFM after accounting for ducting, bends, and silencers.
- Maintain slight negative pressure so odors don’t escape.
- Use pre-filters on carbon to maximize lifespan; replace as they load.
- For intake air, add dust/HEPA filters sized to fan draw to protect the space and equipment.
Frequently Asked Questions
How do I stop my grow room from smelling?
Use a carbon filter paired with a properly sized inline duct fan to scrub exhaust air and maintain slight negative pressure. Add pre-filters to extend carbon life and consider intake/HEPA filters to keep particulates out. For extra polish, use gels/sprays or a UV/ozone stage where appropriate.
What is an odor control system?
An odor control system combines filtration (carbon, HEPA, air boxes) and, optionally, chemical/UV treatments with ventilation to capture and neutralize odors, VOCs, and airborne contaminants before air leaves your space.
What is a standard and effective odor control for your grow room?
The most common, effective setup is a matched fan and carbon filter sized to your room’s CFM, installed in a way that maintains negative pressure and includes a pre-filter. Many growers also filter intake air to reduce dust and spores.
How to ventilate a grow room?
Determine target CFM from room volume and desired air changes/hour, then install an inline fan with a carbon filter on the exhaust. Use smooth duct runs with minimal bends, seal connections, and provide filtered intake air to balance flow.
Can a carbon filter remove smell?
Yes. Activated carbon adsorbs odor molecules and VOCs as air passes through. Correct sizing, a clean pre-filter, and adequate contact time (CFM) are key to consistent odor removal.

