Greenhaus Gardening 6-Inch Refillable Carbon Filter Kit with Charcoal Refill

Greenhaus Gardening 6-Inch Refillable Carbon Filter Kit with Charcoal Refill

Complete Kit
$159.99
Sale price  $159.99 Regular price 
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Greenhaus Gardening 6-Inch Refillable Carbon Filter Kit with Charcoal Refill

Greenhaus Gardening 6-Inch Refillable Carbon Filter Kit with Charcoal Refill

$159.99
Sale price  $159.99 Regular price 
UPS
Free express shipping
30-day money-back guarantee
Style
Free Express
Shipping
20+ Year
Lifespan
30-Day
Free Returns
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This 6-inch refillable carbon filter kit is made for grow tents and hydroponic rooms using compatible 6-inch inline duct fans and ducting. The patented refillable design uses Australian virgin activated charcoal inside an expanded chamber that is lab-tested for odor-blocking performance without manual compression. Twist-off flanges, a secure rubber seal, and the included funnel and scoop make charcoal replacement simple when it is time to refresh the filter.

Perfect for:

Grow tents · Hydroponic rooms · 6-inch ducting · Indoor ventilation · Odor control

Built to Last One Growing Season
• 6-inch refillable carbon filter
• Patented replenishable filter structure
• Australian virgin activated charcoal
• Expanded charcoal chamber
• Lab-tested odor-blocking design
• Removable twist-off flanges
• Aluminum flanges with secure rubber seal
• Dual-layer galvanized steel mesh with protective coating

Additional Benefits:
• Allows charcoal replacement without replacing the full filter
• Includes 1+ charcoal refill
• Refill matches the filtration capacity of two standard 6-inch carbon filters
• Tool-free refilling with included funnel and scoop
• No manual charcoal compression required during refill
• Reversible flanges help lengthen charcoal bedding use
• Protective coating helps withstand humid grow tent conditions

Easy 10-Minute Setup:

Connect the filter to a compatible 6-inch inline duct fan and ducting setup. For refilling, remove the twist-off flanges, add replacement charcoal with the included funnel and scoop, reseal the filter, and reinstall it into your ventilation system.

What’s Included:

6-inch refillable carbon filter
1+ charcoal refill
Funnel
Scoop

Free shipping · 30-day money-back guarantee

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Frequently asked questions

Do you offer free shipping? 

Yes, we cover the shipping costs on all orders.

What are the delivery times?

Your order will be processed within 1–2 days. The average delivery time is 2 to 4 business days.

Can I return or exchange my order? 

Yes, you can return or exchange your order within 30 days, even without needing a reason.

Can I track my order once it has been shipped? 

Once your order has been placed, you can track it on our "Track your order" page.

What payment methods do you accept? 

We accept secure payment methods such as Visa, Mastercard, Maestro, Apple Pay and Google Pay.

How can I contact your customer service? 

You can contact us by email at info@greenhaus-gardening.com or through our contact page.

About Us

Hi, we're Sarah and Amanda — two Texas gardeners who got tired of cheap beds that rusted after one season. So we built something better.

We spent 18 months testing materials and finishes before selling a single product. The result? Garden beds built to last 20+ years, trusted by over 10,000 American gardeners.

Here's the truth — gardening season is short. Every week you wait is a week without fresh homegrown vegetables on your table. Our most popular beds sell out every spring without exception.

If they're still in stock right now, don't wait.

— Sarah & Amanda, Founders of Greenhaus Gardening

  • Free express shipping
  • 30-day money-back guarantee
  • Limited stock available

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