SKU: 54312979461

Hydroponic In‑Line Duct Booster Fans 4″, 6″ & 8″ – 90/240/420 CFM High‑Pressure, Low‑Noise

Sale price$26.95 Regular price$29.95
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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27

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Description

Hydroponic In‑Line Duct Booster Fans 4″, 6″ & 8″ – 90/240/420 CFM High‑Pressure, Low‑NoiseInLine Duct Booster Fans (4, 6 & 8) Boost airflow in any duct run with our durable, quiet, and easytoinstall InLine Booster Fans. Choose from 4, 6, or 8 models to suit your ventilation needsperfect for bathrooms, kitchens, attics, closets, workshops, and more. Each fan features a prewired 1. 6 m 120 V power cord, galvanizedsteel housing, and precisionbalanced impeller for high pressure at low noise. Size SKU Airflow Price 4 3311014 90 CFM $19. 99 EA 6

In‑Line Duct Booster Fans (4″, 6″ & 8″)

Boost airflow in any duct run with our durable, quiet, and easy‑to‑install In‑Line Booster Fans. Choose from 4″, 6″, or 8″ models to suit your ventilation needs—perfect for bathrooms, kitchens, attics, closets, workshops, and more. Each fan features a pre‑wired 1.6 m 120 V power cord, galvanized‑steel housing, and precision‑balanced impeller for high pressure at low noise.

Size SKU Airflow Price
4″ 3311014 90 CFM $19.99 EA
6″ 3311016 240 CFM $25.99 EA
8″ 3311018 420 CFM $29.95 EA



Key Features

  • High‑Pressure Airflow: Up to 420 CFM (8″ model) under restrictive duct conditions

  • Low‑Noise Operation: Precision‑balanced impeller and insulated housing keep sound below 50 dB

  • Durable Construction: Galvanized‑steel casing resists corrosion and wear

  • Plug‑and‑Play Setup: Pre‑wired 1.6 m power cord with standard 120 V plug—no hardwiring needed

  • Versatile Use: Ideal for boosting ventilation in any residential or light‑commercial ductwork


    Feature 4″ Model (3311014) 6″ Model (3311016) 8″ Model (3311018)
    Duct Diameter 4 in (102 mm) 6 in (152 mm) 8 in (203 mm)
    Airflow 90 CFM 240 CFM 420 CFM
    Voltage 120 V / 60 Hz 120 V / 60 Hz 120 V / 60 Hz
    Noise Level < 45 dB < 48 dB < 50 dB
    Housing Galvanized Steel Galvanized Steel Galvanized Steel
    Power Cord 1.6 m Pre‑Wired 1.6 m Pre‑Wired 1.6 m Pre‑Wired
    Mounting Inline, no hardware Inline, no hardware Inline, no hardware
    Weight 2.5 lbs (1.1 kg) 3.2 lbs (1.45 kg) 4.0 lbs (1.8 kg)
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: 54312979461

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Bargain Rig
Draper, US
★★★★★ 5
Comfortable, Durable, and Stylish
Perfect gift choice! Excellent quality socks with a variety of colors to match any wardrobe.
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Reviewed in the United States on November 30, 2025
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Maranda
Lake Worth, US
★★★★★ 5
Great fit
Size: Medium, Color: White
Perfect fit and they don't slide off the back of your ankle.
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Reviewed in the United States on March 16, 2026
J
Verified Purchase
Jessica Burdett
Dallas, US
★★★★★ 5
Best socks!
Size: Medium, Color: Blue
I love these socks! They last for years and they fit so nicely on my feet. I love that I can wear the in tennis shoes or wool boots and they never move!
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Reviewed in the United States on October 21, 2025
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john jeffrey elliott
Boise, US
★★★★★ 1
TOO SMALL
Size: Medium, Color: Blue
Nice socks, but they are way too small. Says they fit size 6 - 10. I kept 3 ( I wear size 8) and gave 3 to my daughter (size 8.5). We both agreed that they were just too small.
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Reviewed in the United States on May 12, 2026
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Verified Purchase
Mar Gee
Los Angeles, US
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
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Reviewed in the United States on December 14, 2025

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