- 2x VIVOSUN 4" Pre-Filter Cloths - Black
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VIVOSUN 4" Pre-Filter Cloth for Inline Carbon Filter - Black
$15.99 USD
- 1.8mm thick PP cotton captures hair and large dust particles
- Custom-molded sleeve design allows for tool-free installation and removal
- Fits all standard 4-inch carbon filters and smaller ventilation kits
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VOLUME PRICING
Commercial & Bulk Purchasing
We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.
Who This Is For
- You are adding a pre-filter because dust and hair are clogging your carbon bed before the charcoal is actually spent.
- You are buying a washable sleeve because replacing whole filters every few months is getting expensive and wasteful.
What We Found
- The 1.8mm thickness is the sweet spot for blocking dust without causing the fan motor to work harder than it should.
- We noticed these black sleeves hide staining much better than white ones after a few weeks of heavy ventilation.
- The elastic on these sleeves is tighter than generic ones, which keeps them from sliding down the filter over time.
What Users Say
- Users with pets say these catch more hair in one week than their vacuum does, saving their expensive charcoal filters.
- Buyers who rotate these two cloths say they never have downtime because one is always clean and ready for use.
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
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.
Happy To Help
Questions About This Product?
Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)
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