VIVOSUN Air Stone 2PCS 4 x 2 Inch Large Air Stone for Aquarium, Fish Tank and Hydroponics Air Pump by VIVOSUN - Used condition

VIVOSUN Air Stone 2PCS 4 x 2 Inch Large Air Stone for Aquarium, Fish Tank and Hydroponics Air Pump — Open-Box, 11% Off

Name: VIVOSUN Air Stone 2PCS 4 x 2 Inch Large Air Stone for Aquarium, Fish Tank and Hydroponics Air Pump
Brand: VIVOSUN
SKU: awhd-us-b01mv5c1i4
Price: 7.21 USD
Availability: InStock

Brand: VIVOSUN

Condition: Used - VeryGood

$7²¹

$8⁰⁹

-11% Save $0⁸⁸

Updated: 5 days ago

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Description

Fine Bubbles: The air stone produces lots of dense fine bubbles; A great way to oxygenate your hydroponic growing systems, ponds, aquariums and enliven the aquatic life

Size: 4" x 2" x 2"; Recommended air pump power: 4 - 8 W; Standard ID airline tubing: 0.16" / 4 mm

Durable Material: Made of mineral material and sintered at a high temperature; The material is sturdy and durable which is safe to your fish

Easy to Use: Soak the stone completely in water for 2 hour before use; Clean it regularly with a brush as they get clogged after weeks or months of usage

Widely Applicable: Fit for hydroponic systems, ponds, aquariums or fish tanks and other systems

Oxygen is very important for hydroponic growing system, air stones is a great tool to add oxygen and circulate nutrition to your hydroponic growing system. They can produce fine bubbles for oxygen replacement, extend the life of your nutrient solution, keep roots healthy. Air Stones are ideal for hydroponic systems, ponds, aquariums or fish tanks and other systems.

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Product Details

SKU:: awhd-us-b01mv5c1i4
Model:: 4320792897
Country:: US
ASIN:: B01MV5C1I4
UPC:: 714119465697

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 $1 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 VIVOSUN 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.