Kohler K-2905-4 Thunder Grey Farmington 19-1/4" Drop In Enameled Cast Iron Bathroom Sink with 3 Holes Drilled and Overflow

- Item #: BCI222769

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

  • Angle Supply Recommended
  • P Trap Recommended

Product Features:

  • Covered under Kohler's limited lifetime warranty for cast iron components
  • Oval basin couples functionality with aesthetic appeal
  • Ultra-thick high gloss enamel maintains a lustrous sheen over time
  • Features classic, pleasing lines
  • Constructed of enameled cast iron, combining the durability of cast iron with the aesthetics of a baked-on enamel finish
  • Rear drain location increases workspace area in the sink as well as storage space underneath
  • Equipped with overflow drain - works in tandem with primary drain to prevent water spillage and overflows
  • All hardware needed for installation is included

Product Technologies / Benefits:

  • Enameled Cast-Iron: Kohler Enameled Cast-Iron combines the strength, durability, and insulation benefits of cast-iron with the scratch, chip, and burn resistance of a baked, powder coat finish and comes with an exceptional Lifetime Limited Warranty. When these materials are combined it gives the sink or tub the strength to last a lifetime of use. Kohler Enameled Cast-Iron is also available in a wide variety of specialty colors allowing you to truly customize your home.

Product Specifications:

  • Height: 8-3/4" (measured from bottom of sink to top of rim)
  • Overall Width: 16-1/4" (measured from back outer rim to front outer rim)
  • Overall Length: 19-1/4" (measured from left outer rim to right outer rim)
  • Basin Width: 11" (measured from back inner rim to front inner rim)
  • Basin Length: 16" (measured from left inner rim to right inner rim)
  • Basin Depth: 5" (measured from center of basin to rim)
  • Installation Type: Drop in
  • Number of Faucet Holes: 3
  • Drain Outlet Connection: 1-11/16"


  • K-2905-4: This model
  • K-2905-1: This model with 1 faucet hole
  • K-2905-8: This model with 3 faucet holes on 8" centers

About Kohler:

Gracious living is characterized by qualities of charm, good taste, generosity of spirit, and the enhancement of nature. It is Kohler's mission that you improve your sense of gracious living with every experience you have with a Kohler product or service. Kohler lives on the leading edge of design and technology, while maintaining a constant level of quality, regardless of price. It sets the standard of excellence in its field, and yet is constantly striving to improve. From sustainable products in the kitchen and bath to power systems that protect data centers and urban landscapes all over the world - this is what the Kohler company is all about.

Additional Kohler Links

Our SKU: Kohler K-2905-4

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

  • Kohler K-2905-4-47
  • Kohler K-2905-4-96
  • Kohler K-2905-4-7
  • Kohler 2905-4-0*
    Buttered Rum
  • Kohler K-2905-4-K4*
  • Kohler 2905-4-0*
  • Kohler K-2905-4-NY
  • Kohler K-2905-4-95
    Ice Grey
  • Kohler K-2905-4-55*
    Innocent Blush
  • Kohler K-2905-4-33*
    Mexican Sand
  • Kohler K-2905-4-52*
  • Kohler K-2905-4-G9
  • Kohler K-2905-4-71*
    Seafoam Green
  • Kohler K-2905-4-6*
  • Kohler K-2905-4-20
  • Kohler K-2905-4-Y2*
  • Kohler K-2905-4-NG*
    Tea Green
  • Kohler K-2905-4-58
    Thunder Grey
  • Kohler K-2905-4-97*
  • Kohler K-2905-4-0
  • Kohler K-2905-4-45*
    Wild Rose

*Denotes a finish or option that has been discontinued

Kohler K-2905-4-58 Product Specifications

Specification Sheet
Installation Guide
Rough-In Guide
ANSI Approved Yes
ASME Approved Yes
ASME Code A112.19.1
Approved for Commercial Use Yes
Basin Depth 5
Basin Length 16
Basin Split Single Basin
Basin Width 11
CSA Approved Yes
CSA Code B45.2, B651
Country Of Origin USA
Drain Connection 1.69
Drain Placement Rear
Faucet Centers 4
Faucet Hole Size 1.375
Faucet Holes 3
Faucet Included No
Height 8.75
Installation Type Drop In
Length 19.25
Manufacturer Warranty Limited Lifetime
Material Cast Iron
Minimum Cabinet Size 21.25
Mounting Hardware Included Yes
Number Of Basins 1
Overflow Yes
Sink Shape Oval
Theme Traditional
Width 16.25

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.

Buy the Kohler K-2905-4-58 in Thunder Grey at Build.com. Research Kohler K-2905-4-58 in Thunder Grey online. Find Kohler K-2905-4-58 in Thunder Grey features and specifications. Get the best deal by comparing the Kohler K-2905-4-58 in Thunder Grey today.

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