Blanco 441221 Diamond Double Basin 1-1/2 Bowl Single Hole Silgranit II Drop In / Undermount Kitchen Sink 33" x 22"

- Item #: BCI1336052
Originally $599.99, You Save 43%
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Ships Tuesday, October 21st


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Questions about Blanco 441221?

Contact us for advice or more details. Our product specialists are here to help.

  • Ways to remove Blanco Silgranit Sink Knock-Outs
    Our own Milan Rosan takes a look at how to utilize the additional "knock-out" holes that are pre-drilled in your new Blanco Silgranit II sink. Note, it helps to steady the sink properly and take care when doing so.
  • Blanco's Silgranit II Stain Resistance test
    Here at, we wanted to see how well Blanco's Silgranit II resists stains. We used a Blanco Diamond sink in white (440216) with serious stain offenders left for 24 hours. See the surprising results.

This product has additional required/recommended options. To configure, add to your cart.

  • Basket Strainer Recommended
  • Disposal Flange Recommended
  • Garbage Disposal recommended
  • Mounting Clips Recommended

Product Features:

  • Sink is covered under Blanco's limited lifetime warranty
  • Premier finishing process - will resist staining, chipping and scratching through every day use
  • Double basin sink with a 70/30 split provides increased versatility for any task
  • Blanco sinks feature extremely hygienic, non-porous surfaces
  • Constructed of Blanco's SILGRANIT II material - making it durable and fade resistant
  • Installs in a drop-in or undermount configuration - providing a sturdy mount and integrated look
  • Rear drain location increases workspace are in the sink as well as storage space underneath
  • Required clips for undermount installation type are not included - when adding sink to cart these will be presented as an option for purchase

Product Benefits:

  • SILGRANIT II: Crafted of 80% natural granite, this composite features the look and feel of natural stone and resists scratches, stains, chips and heat. Colored all the way through SILGRANIT II will not fade in direct sunlight and is impervious to household acids and alkalis. Advanced surface technologies ensure that it will be non-porous, easy to clean and an extremely hygienic workspace.

Product Specifications:

  • Overall Height: 9-1/2" (measured from the bottom of sink to the top of the rim)
  • Overall Width: 22" (measured from the back outer rim to the front outer rim)
  • Overall Length: 33" (measured from the left outer rim to the right outer rim)
  • Basin Width (Left): 18-3/5" (measured from back to inner rim to front inner rim on left bowl)
  • Basin Length (Left): 20" (measured from left inner rim to right inner rim on left bowl)
  • Basin Depth (Left): 9-1/2" (measured from the center of basin to the rim on left bowl)
  • Basin Width (Right): 16-4/5" (measured from the back inner rim to the front inner rim on right bowl)
  • Basin Length (Right): 9" (measured from left inner rim to right inner rim on right bowl)
  • Basin Depth (Right): 8" (measured from center of basin to the rim on right bowl)
  • Installation Type: Drop In or Undermount
  • Number of Faucet Holes: 1
  • Drain Outlet Connection: 3-1/2"
  • Minimum Base Cabinet: 35"

Variations of This Sink:

  • 441221: This model
  • 440197: This model in Café Brown finish
  • 440198: This model in Metallic Gray finish
  • 440199: This model in Anthracite finish
  • 440200: This model in White finish
  • 440201: This model in Biscuit finish
  • 441282: This model in Truffle finish
  • 441464: This model in Cinder finish

About Blanco:

Blanco is a family owned company that has evolved over the better part of a century. Starting from humble beginnings making copper galvanized parts for cookers and heating elements, Blanco has grown to be a recognized leader in its industry. World renowned for producing the highest quality products, with the latest innovations and unsurpassed service, their products go far beyond mere functionality. Having great pride in their dedication to quality, Blanco ensures that every sink is inspected multiple times before earning the brand’s name.

Blanco also plays a major role in the practices of better business. Fully committed to the respect of moral business ethics Blanco is a member of the Caux Round Table, an international network of leaders in the business world working toward moral capitalism.

Additional Blanco Links

Our SKU: Blanco 441221

This product is listed under the following manufacturer number(s):

  • Blanco 441221

*Denotes a finish or option that has been discontinued

Blanco 441221 Product Specifications

Specification Sheet
Basin Depth (Left) 9.5
Basin Depth (Right) 8
Basin Length (Left) 20
Basin Length (Right) 9
Basin Rack Included No
Basin Split 70/30
Basin Width (Left) 18.594
Basin Width (Right) 16.813
Basket Strainer Included No
Cutting Board Included No
Drain Connection 3.5
Drain Placement Rear
Farmhouse No
Faucet Centers 0, 4, 8
Faucet Hole Size 1.375
Faucet Holes 1, 2, 3, 4
Faucet Included No
Height 9.5
Installation Type Drop In, Undermount
Length 33
Material Granite Composite
Number Of Basins 2
Sink Shape Rectangular
Soap Dispenser Included No
Theme Traditional
Width 22

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Blanco 441221 Reviews

Rated 5 out of 5 by from Love our new sink! This Blanco sink is just perfect! My only complaint is that it came without care instructions or cleaning product--both of which I found on line.
Date published: 2012-04-24
Rated 5 out of 5 by from LOVE LOVE LOVE I LOVE this sink!!! It looks so great with my new cabinets and new granite countertops. I'm so glad we decided to go wtih the silgranite rather than the stainless steel - I love it!!!
Date published: 2012-09-28
Rated 5 out of 5 by from Great buy Have this sink in Florida and love it. Ordered for this house and came quickly and perfectly. Couldn't be happier with this purchase. Sink is so easy to clean. Never looks dirty like my old stainless steel always did.
Date published: 2013-07-31
Rated 5 out of 5 by from Great Sink I bought the Blanco 70/30 double sink, It installed very easy and looks great. Easy to clean and the color matched perfect.
Date published: 2014-10-09
  • Is there a basin rack for the small side also for sink 441221?

    A. The Blanco 441221 does not, at this time, have a sink basin rack for the smaller side of the sink.

  • Can this sink be ordered with 2 holes? I would like to have a single hole faucet and a soap dispenser. Thank you

    A. The Blanco 441221 has hole punch outs that can be opened up to provide more holes.

  • how many hole punch outs are there?

    A. Thank you for your question! This comes with 1-4 holes.

  • What is the depth of the bowl for sink 441221?

    A. The Blanco 441221 has 2 basins, Basin Depth (Left) 9.5 Basin Depth (Right) 8.

  • Can this sink be purchased with the larger bowl on the right and the smaller on the left?


    The Blanco 441221 is not available with the smaller bowl on the left.      

  • Does this model come with a low divider between the two bowls?


    The Blanco 441221 does not come in a version with a smart divide feature.

Buy the Blanco 441221 at Research Blanco 441221 online. Find Blanco 441221 features and specifications. Get the best deal by comparing the Blanco 441221 today.

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