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Pair of white VIVOSUN 4-inch pre-filters for carbon filters, textured fabric with dotted stitched hems.
Airflow diagram: air passes through a black porous filter for odor control. White fluffy 'pp cotton' shown below.
Black VIVOSUN 4" carbon filter pre-filter (PP cotton, 1.8mm) with dimensions 6.94" and 9.84".
Growtent Ventilation System cutaway: VIVOSUN inline fan, carbon filter, blue airflow, and green tent structure.
VIVOSUN grow tent interior with white pre-filter on carbon filter, inline fan, ducting, LED grow lights, and controller.
White VIVOSUN 4in pre-filter. Premium PP cotton material, reusable, and washable. Ad graphic shows cloud-like 'PP' and icons.
White cylindrical pre-filter for carbon filter, cutaway reveals dark mesh. Text details reliable protection & features.
Pair of white VIVOSUN 4-inch pre-filters for carbon filters, textured fabric with dotted stitched hems.
Airflow diagram: air passes through a black porous filter for odor control. White fluffy 'pp cotton' shown below.
Black VIVOSUN 4
Growtent Ventilation System cutaway: VIVOSUN inline fan, carbon filter, blue airflow, and green tent structure.
VIVOSUN grow tent interior with white pre-filter on carbon filter, inline fan, ducting, LED grow lights, and controller.
White VIVOSUN 4in pre-filter. Premium PP cotton material, reusable, and washable. Ad graphic shows cloud-like 'PP' and icons.
White cylindrical pre-filter for carbon filter, cutaway reveals dark mesh. Text details reliable protection & features.

VIVOSUN 4" Pre-Filter Cloth for Inline Carbon Filter - White

Price:
$15.99 USD
Or
Pay as little as
$1599/mo
for a term that suits you, up to 36 months. Learn More

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MODEL: WEB-CFPW-4x2
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VIVOSUN 4" Pre-Filter Cloth for Inline Carbon Filter - White

Tired of dust, lint, and other airborne particles clogging your ventilation system and shortening the life of your expensive carbon filters? The VIVOSUN 4" Pre-Filter Cloth is the essential first line of defense, designed to protect your investment, maintain optimal airflow, and ensure your air filtration system runs at peak efficiency. This two-pack offers exceptional value and convenience for any grower.

Specifically engineered for 4-inch ventilation setups, this pre-filter sleeve is a perfect companion for the Vivosun 4" Duct Air Carbon Filter, seamlessly integrating into compact grow tents and cabinets. Crafted from premium 1.8mm thick PP cotton, it effectively captures hair, dust, pollen, and other large particulates before they can compromise the activated charcoal in your main filter. This breathable material ensures that your inline fan operates without obstruction, delivering reliable performance. The entire system is an ideal component of a complete Vivosun 4" air filtration kit, ensuring clean air from start to finish.

What's Included

  • 2x VIVOSUN 4" Pre-Filter Cloths (White)
  • 1x Installation Guide

Features

VIVOSUN 4
VIVOSUN 4
VIVOSUN 4
VIVOSUN 4
🛡️
Reliable Protection

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

📦
Compact Design

A perfect fit for small grow tents, stealth boxes, and personal growing cabinets.

🌬️
Optimal Airflow

Breathable material maintains airflow efficiency in confined ventilation spaces.

💰
Economical & Reusable

Washable and reusable design provides excellent value and extends filter life.

Specifications

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

Warranty

This product is covered by the standard VIVOSUN manufacturer's warranty. For more details on claims and coverage, please contact customer support.

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'x2' Smart Grow Tent Kit. It is perfect for maintaining effective air filtration where space is limited. For more tips on maximizing small spaces, check out our guide to 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 lint before they can clog the pores of your carbon filter. This prevents premature clogging and extends the effective lifespan of the filter's activated charcoal.

Will this pre-filter restrict airflow in my ventilation system?+

No, the material is engineered to be highly breathable to maintain optimal airflow. Your 4-inch inline fan will continue to operate efficiently while the pre-filter provides crucial protection for your carbon filter.

How often should I clean the pre-filter?+

For best results, we recommend cleaning the pre-filter every 2-3 weeks, or more often in particularly dusty environments. Simply hand wash with warm water and a mild detergent, rinse thoroughly, and let it air dry completely before reinstalling.

Is installation difficult in a tight space?+

Not at all. The tool-free sleeve design allows it to slide easily over your existing 4-inch carbon filter without needing to disassemble your ventilation system. This makes maintenance quick and simple, even in confined setups.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

  • Most orders are processed within 24-48 hours after being placed.
  • Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

  • USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
  • FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
  • UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

  • These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
  • For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

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