8-in-1 Air Quality Monitor Indoor, CF-20 Portable Air Quality Tester CO2 Monitor (PM2.5, PM10, CO2, VOC, Formaldehyde, Humidity, Temp) Wildfire Protection Long Battery Life & Real-Time Data — Open-Box, 5% Off

Name: 8-in-1 Air Quality Monitor Indoor, CF-20 Portable Air Quality Tester CO2 Monitor (PM2.5, PM10, CO2, VOC, Formaldehyde, Humidity, Temp) Wildfire Protection Long Battery Life & Real-Time Data
Brand: Simbow
SKU: awhd-us-b0fbr2686p
Price: 75.99 USD
Availability: InStock

Brand: Simbow

Condition: Used

$75⁹⁹

$79⁹⁹

-5% Save $4⁰⁰

Updated: 22 hours 33 mins ago

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Description

SMART AIR QUALITY SENSOR: The CF-20 portable air quality monitor delivers rapid and precise detection with its advanced NDIR (nondispersive infrared) sensor and high-performance particle sensor, tracking AQI levels for PM2.5, PM10, tVOCs, HCHO, CO2, humidity, temperature, and time.

PROTECT AGAINST WILDFIRE HAZARDS: Continuous monitoring of CO2, particulate matter, and VOCs is essential for those in fire-prone areas. This air quality detector helps you assess pollution levels, alerting you when to replace your home’s air filter or ventilate by opening windows.

USE ANYWHERE, ANYTIME: Keep track of your surroundings in real time with the large LCD display. The air quality tester is ideal for hotels, schools, offices, and more. Backed by a one-year warranty—contact us anytime for support.

TAILORED FOR YOUR NEEDS: A color-coded bar and optional buzzer of the air quality monitor indoor alert you when AQI levels rise dangerously. Simply press the button to mute the alarm. With an upgraded 2600mAh battery, enjoy extended usage and monitor air quality for hours on a single charge.

ENERGY-EFFICIENT DESIGN: The VOC monitor features an auto-dimming screen, ensuring it won’t disturb your sleep while conserving power for longer operation.

Simbow Air-Guardian AQ is fast-responding and sensitive with a nondispersive infrared sensor (NDIR) and advanced particle sensor that monitors AQI PM2.5, PM10, tVOCS, HCHO, CO2, humidity, temperature and time.

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Product Details

SKU:: awhd-us-b0fbr2686p
Model:: Air-Guardian AQ
Country:: US
ASIN:: B0FBR2686P
UPC:: 729927803265

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $4 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Simbow products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.