Hello there! The Ratio Six is assembled in Guangzhou, China, and the Ratio Eight is assembled in Portland, Oregon. For more info, see here: https://ratiocoffee.com/blogs/help-articles/ratio-eight-versus-ratio-six Best Regards, Ratio Team

About how long does it take to brew?

Three minutes. Would return if it wasn't so late.

What size of filter does this use?

Hi Daniel, The Ratio Six uses any standard 8-12 cup flat bottom style filter. We offer our own branded filter through our site, otherwise you are welcome to use any other brand if it adheres to that style & batch size recommendation. Thank you & please reach out to us at help@ratiocoffee.com if you should have any further questions. Best Regards, Ratio Team

Can you buy the coffee maker without the filter basket and carafe for use with chemex type flask?

Hello! Thanks for reaching out. The machine will come standard with the unit as it has a magnet within the base of the thermal carafe so that it can engage the brew. This prevents any unwanted 'starts' of brew process for the machines. The magnet syncs with a sensor below the base so that it knows it is good to brew. We do offer glass carafes as a different option but currently those are only able to be purchased directly on our site at https://ratiocoffee.com/collections/accessories/products/glass-carafe. We should have these available on Amazon soon too! At some point we will be launching a solution for this so you can use / adapt to other product vessels and have the magnet included as an extra accessory but for now this is the best route for a good & consistent experience. Please reach out to us by email at hello@ratiocoffee.com; by phone at 800.261.9640; or by chat on our site. Take care, Ratio Team

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Ratio Six Coffee Maker - Stainless Steel

Ratio Six Coffee Maker - Stainless Steel

Product ID: 402870143

Details

Brand
Ratio
Capacity
40 Fluid
Colour
Silver
Product dimensions
34.3D x 17.1W
Special feature
Optional Heat

☕40oz brew capacity

🌍Designed in Portland, Oregon

🔩Precision stamped stainless steel

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31382735₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

☕ Elevate your coffee ritual with precision and style.

GLOBAL READY - Dual voltage compatibility (120V/230V) means your Ratio Six travels as well as you do.
CUSTOM COMFORT - Optional heat shield lets you keep your brew warm without compromising flavor.
BREW BIG BREW BOLD - Up to 40oz capacity satisfies your team or your own caffeine cravings with ease.
BUILT TO LAST STYLED TO IMPRESS - Thick, precision stamped stainless steel ensures durability with a sleek satin or matte black finish.
CRAFTED IN COFFEE CULTURE CAPITAL - Designed in Portland, Oregon, a city synonymous with artisanal coffee innovation.

The Ratio Six Coffee Maker brews up to 40oz of coffee using thick, precision stamped stainless steel construction, available in satin stainless steel or matte black finishes. Designed in Portland, Oregon, it features an optional heat shield and supports dual voltage for international use, combining durability, style, and global versatility.

Specifications

ASIN	B0856QLJ4Z
Best Sellers Rank	2,907,951 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 852 in Filter Coffee Machines
Brand Name	Ratio
Capacity	40 Fluid Ounces
Coffee Input Type	ground
Coffee Maker Type	Moka Pot
Colour	Silver
Country of Origin	China
Customer Package Type	Standard Packaging
Customer Reviews	3.7 3.7 out of 5 stars (46)
Exterior Finish	Stainless Steel (Matte finish option available)
Filter Type	Reusable
Global Trade Identification Number	00850017079007
Human Interface Input	Buttons
Included Components	Carafe, Filter
Item Dimensions D x W x H	34.3D x 17.1W x 36.2H centimetres
Item Weight	0.31 Pounds
Manufacturer	Ratio
Material	Stainless Steel
Model Name	Six
Model Number	Six
Number of Items	1
Operation Mode	Manual
Other Special Features of the Product	Optional Heat Shield
Part Number	R671-FTC-1
Recommended Uses For Product	Home, Office
Specific Uses For Product	Coffee
Style	Modern
UPC	850017079007
Unit Count	1.0 count
Voltage	120 Volts, 230 Volts
Wattage	1400 watts

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