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Rocaris 3-1/4" x 10" x 4'' Galvanized Rectangular to Round Duct Transition — Open-Box, 20% Off
Brand: Rocaris
Condition: Used - Mint
$2399
$2999
-20% Save $600
Updated: Yesterday
Description
Efficient Ventilation: The 4" Diameter rectangular-to-round duct serves as a versatile connector for HVAC systems, range hoods, exhaust fans, and microwaves, significantly enhancing ventilation efficiency in residential or commercial spaces while ensuring smooth airflow
Sturdy and Durable: Made of galvanized steel, Microwave exhaust vent kits are corrosion- and rust-resistant, waterproof, well-sealed, suitable for both indoor and outdoor use,The smooth silver appearance is stylish to ensure long-term reliable use
Reduce Wind Resistance: Through seamless connection and smooth inner wall design, it can reduce friction and obstacles in air flow, microwave vent adapter can effectively reduce wind resistance, ensure smooth airflow, and improve the overall efficiency of the ventilation system
Easy Installation: Wipe clean before using galvanized round transition, connect one end to the hose and fix it with aluminum foil tape, and fix the other end to the rectangular duct with screws, and finally tighten the screws(Note: Installation accessories are not included)
Wide Application: Galvanized steel duct is ideal for HVAC systems, exhaust fans, dryers, microwaves, and more.widely used in residential, commercial, and industrial settings to meet various air circulation needs, enhancing overall ventilation efficiency
Warm Tips: please be sure to wear cut-resistant gloves during installation to ensure safety
Warm Tips: please be sure to wear cut-resistant gloves during installation to ensure safety
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0fdgrvt4l
- Model:
- R-394
- Country:
- US
- ASIN:
- B0FDGRVT4L
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 $6 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 Rocaris 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.

















