grow tent carbon filters 4" Pre-Filter Cloth for VIVOSUN Inline Carbon Filter – 1.8mm Thick PP Cotton
SKU: 2783670077
grow tent carbon filters

grow tent carbon filters 4" Pre-Filter Cloth for VIVOSUN Inline Carbon Filter – 1.8mm Thick PP Cotton

Sale price$26.89 Regular price$29.88
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Description

grow tent carbon filters 4" Pre-Filter Cloth for VIVOSUN Inline Carbon Filter – 1.8mm Thick PP CottonVIVOSUN 4" Pre Filter Cloth for Inline Carbon Filter Black 2 Pack Is dust and debris clogging your 4 inch carbon filter, forcing you to replace it sooner than you'd like? Protect your investment and maintain peak air quality with the VIVOSUN 4" Pre Filter Cloth, the essential first line of defense for your ventilation system. Specifically designed for compact setups, this pre filter seamlessly integrates with any standard 4 inch carbon filter, making

VIVOSUN 4" Pre-Filter Cloth for Inline Carbon Filter - Black | 2 Pack

Is dust and debris clogging your 4-inch carbon filter, forcing you to replace it sooner than you'd like? Protect your investment and maintain peak air quality with the VIVOSUN 4" Pre-Filter Cloth, the essential first line of defense for your ventilation system.

Specifically designed for compact setups, this pre-filter seamlessly integrates with any standard 4-inch carbon filter, making it ideal for smaller grow tents and personal growing cabinets. Crafted from premium 1.8mm thick PP cotton, it effectively captures hair, dust, lint, and other large particles before they can compromise your filter's charcoal bed. This not only extends the life of your main filter but also ensures your ventilation system, like those in our VIVOSUN air filtration kits, operates at maximum efficiency.

The custom-molded sleeve design allows for instant, tool-free installation and removal. Best of all, each pre-filter is fully washable and reusable, surviving multiple cleaning cycles without losing effectiveness. This makes it an economical and sustainable choice for any grower looking to save money and reduce waste.

What's Included

  • 2x VIVOSUN 4" Pre-Filter Cloths - Black

Features

🛡️
Reliable Protection

Thick 1.8mm PP cotton blocks hair, dust, and lint from reaching your carbon filter.

🔄
Washable & Reusable

Easily washed to restore performance, providing excellent value and reducing waste.

🌬️
Unrestricted Airflow

Breathable material maintains your fan's efficiency without compromising filtration.

⏱️
Effortless Installation

The flexible sleeve design slips on and off your filter in seconds with no tools required.

Specifications

Specification Value
Filter Size 4 Inch Diameter
Material High-Quality PP Cotton
Thickness 1.8mm
Color Black
Quantity 2 Pack
Compatibility Standard 4" Carbon Filters
Ideal Application Small Grow Tents, Stealth Boxes, Personal Growing Cabinets

Warranty

This VIVOSUN product is covered by a manufacturer's warranty. Please contact us for more details on warranty terms and claims.

FAQs

Is this pre-filter suitable for small grow tent setups?+

Absolutely. The 4-inch size is specifically designed for compact spaces like the Vivosun 2' x 2' Grow Tent, stealth boxes, and personal growing cabinets where efficient air filtration is critical. For more tips on optimizing small spaces, check out our guide on the best small grow tents.

How does this pre-filter protect my carbon filter?+

The 1.8mm thick PP cotton acts as a barrier, capturing larger particles like dust, hair, and pollen. This prevents the activated carbon in your Vivosun 4" Carbon Filter from clogging prematurely, which extends its lifespan and maintains its odor-neutralizing effectiveness.

Will this restrict airflow in my ventilation system?+

No, the material is engineered to be highly breathable. It maintains optimal airflow so your inline fan can operate efficiently, ensuring your environment remains stable without putting extra strain on your equipment. It's a perfect addition to any 4-inch air filtration kit.

How often should I clean the pre-filter?+

For optimal performance, we recommend checking and cleaning it every 2-4 weeks, depending on the dust levels in your environment. Simply hand wash with mild soap and warm water, rinse thoroughly, and let it air dry completely before reinstalling.

Can I install this without taking my whole setup apart?+

Yes. The tool-free sleeve design allows you to easily slide the pre-filter on and off your existing 4-inch carbon filter. This is especially convenient in tight spaces where disassembling your ventilation system would be difficult.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2783670077

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Ryan Y.
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This CPU holder is exactly what I needed to reclaim my desktop workspace. I wanted to get the computer off the desk to clear up room for projects, but I didn't want to put it on the floor where it’s susceptible to static and pet hair. This mount keeps the tower tucked away under the desk but still within easy reach. Build Quality & Weight: The unit is impressively well-built with sturdy steel. While the specs state it can hold up to 44 lbs, my current build is closer to 20 lbs, and it handles it with zero flex or wobble. It feels very secure once locked in. Design & Airflow: One of the best benefits I’ve noticed is the noise reduction. Having the case mounted under the desk surface helps shield the sound of the fans, creating a quieter workspace. The open-frame design is also great for airflow and keeps all the ports easily accessible. It’s highly adjustable (width 7.7” to 11.8” and height 20” to 25.8”), so it should fit almost any full-size case. Installation Tip: Installation was straightforward, though I’d recommend measuring your desk thickness first to ensure it can support the weight. If you’re looking for a solid, full-size PC holder to keep your system off the floor, this is a great choice. It feels like a professional-grade mount that will last through several different builds.
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Reviewed in the United States on April 7, 2026
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Richard
Bozeman, US
★★★★★ 4
Great way to keep your PC off the floor, especially with a standing desk
This mount is a great solution if you want to get your desktop tower off the floor and clean up the space around your desk. The construction feels very solid and once installed it holds the PC securely without any wobble. I like that the frame is adjustable so it can fit different case sizes, and the open design allows for good airflow while still supporting the case well. It is especially helpful if you have a standing desk. Keeping the tower mounted under the desk means all of the cables move with the desk when it raises or lowers, which makes everything much cleaner and easier to manage. Installation takes a little planning to line things up correctly, but once it is mounted it feels very secure. If you want a cleaner workspace and a better setup for a standing desk, this mount works really well.
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Viner369
Whiting, US
★★★★★ 5
Built Like a Tank… Maybe Too Big
This thing is solid. The build quality is exactly what you want when you’re hanging a PC under a desk—sturdy steel, secure mounting, and plenty of adjustability to fit larger cases. It definitely does its job of getting your tower off the floor and out of the way. That said, size matters here—and this is built for big cases. If your setup is more compact, it is overkill. Definitely measure before you commit, because while the adjustability is nice, it’s clearly designed with larger towers in mind. Pros: Very sturdy, confidence-inspiring build Adjustable to fit a wide range of larger PC cases Keeps PC off the floor (less dust, more space) Can mount under desk or on wall Cons: Oversized for smaller or mid-sized builds Requires careful measuring before install Bulkier than some alternative mounts Bottom Line: A heavy-duty mount that does exactly what it promises—just make sure your PC actually needs something this big before you commit.
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