Tetra Whisper Internal Power Filter, Large Bio-Bag Filter Cartridges, 3-Stage Filtration, 10-30 gal by Tetra - Used condition

Tetra Whisper Internal Power Filter, Large Bio-Bag Filter Cartridges, 3-Stage Filtration, 10-30 gal — Open-Box, 12% Off

Name: Tetra Whisper Internal Power Filter, Large Bio-Bag Filter Cartridges, 3-Stage Filtration, 10-30 gal
Brand: Tetra
SKU: awhd-us-b0002dhyg8
Price: 22.95 USD
Availability: InStock

Brand: Tetra

Condition: Used - Mint

$22⁹⁵

$26¹²

-12% Save $3¹⁷

Updated: 19 days ago

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Description

INTERNAL POWER FILTER: Tetra Whisper Internal Power Filter for 10- to 30-gallon aquariums uses large Whisper BioBag filter cartridges that are easy to change.

QUIET 135 GPH MOTOR: The internal pump efficiently filters up to 135 gallons per hour.

POWERFUL FILTRATION: Water flows through the cartridge floss, trapping debris and fish waste, while Ultra-activated carbon helps remove odor and discoloration.

SPACE-SAVING DESIGN: Your aquarium can be 1” from the wall with the internal filter designed to clip directly on your aquarium wall and be hidden by décor.

EASILY ADJUSTABLE: Adjustable clip allows for a variety of setups to easily adjust to high or low water levels.

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Product Details

SKU:: awhd-us-b0002dhyg8
Model:: 25817
Country:: US
ASIN:: B0002DHYG8
GTIN:: 00046798258179
UPC:: 046798258179

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 $3 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 Tetra 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.