---
product_id: 258641802
title: "KGU-413B 31 inch Undermount Single Bowl Black Onyx Granite Kitchen Sink"
brand: "kraus"
price: "€ 970.88"
currency: EUR
in_stock: true
category: "Kraus"
url: https://www.desertcart.gr/products/258641802-kgu-413b-31-inch-undermount-single-bowl-black-onyx-granite
store_origin: GR
region: Greece
---

# Noise-reducing thick granite composite Black Onyx granite with UV fade resistance 31-inch undermount seamless design KGU-413B 31 inch Undermount Single Bowl Black Onyx Granite Kitchen Sink

**Brand:** kraus
**Price:** € 970.88
**Availability:** ✅ In Stock

## Summary

> 🖤 Elevate your kitchen game with timeless style and silent strength!

## Quick Answers

- **What is this?** KGU-413B 31 inch Undermount Single Bowl Black Onyx Granite Kitchen Sink by kraus
- **How much does it cost?** € 970.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/258641802-kgu-413b-31-inch-undermount-single-bowl-black-onyx-granite)

## Best For

- kraus enthusiasts

## Why This Product

- Trusted kraus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Quiet & Solid Performance:** Thick stone-like material engineered to minimize noise and vibration during use.
- • **Durable Black Onyx Granite:** Crafted from 80% natural granite with UV protection for a rich, lasting color.
- • **Naturally Hygienic Surface:** Silver ion-enriched, non-porous finish repels germs and resists stains and scratches.
- • **Complete Kitchen Upgrade Kit:** Includes basket strainer, mounting hardware, and kitchen towel for hassle-free installation.
- • **Seamless Undermount Elegance:** Creates a sleek, flush countertop look that wipes clean effortlessly.

## Overview

The Kraus KGU-413B is a 31-inch undermount single bowl kitchen sink made from 80% natural granite composite in a striking Black Onyx finish. Designed for seamless integration, it features a noise-reducing thick material, a hygienic silver ion surface, and UV protection to maintain its rich color. This durable, low-maintenance sink comes with a basket strainer, mounting hardware, and a kitchen towel, backed by a lifetime limited warranty—perfect for the modern kitchen seeking both style and functionality.

## Description

Kraus Undermount granite sinks create an instant style upgrade for the kitchen. Constructed from 80% natural granite, with the look and feel of real stone, these modern kitchen sinks look striking in a variety of settings. Clean lines and thoughtful design details highlight the organic elegance of granite, for an eye-catching look with contemporary appeal. The extra-deep basins accommodate large dishes with ease, while the gently rounded corners make sink maintenance simple. Each non-porous, naturally hygienic sink is protected with a thermal finishing process, creating a surface that is highly resistant to heat, chemicals, scratching, chipping, and discoloration. This single bowl sink provides a lifetime of functionality with refined style. For added convenience, a basket strainer drain assembly and complimentary towel are included free with purchase. Constructed from premium stainless steel, the top-quality basket strainer assembly creates a tight seal to prevent food and debris from clogging the drainpipe. For easy installation, all mounting hardware is provided. Experience Kraus Quality and bring your best kitchen ideas to life. Crafted from 80% natural granite, Kraus granite sinks feature the look, feel, and texture of natural stone. A thermal finishing process results in a tough, nonporous surface that is resistant to heat, chemicals, scratching, chipping, and discoloration that will stand up to a lifetime of use. With a variety of size, bowl configuration and installation options, a Kraus granite sink can make a sleek and functional addition to any kitchen.

## Features

- Undermount DESIGN creates a seamless transition from sink to countertop and makes it easy to wipe water and crumbs into the sink
- Dimensions | Overall – 30.5” L x 17” W x 8.88” D | Bowl – 28.37” L x 14.5” W x 8.88” D | Minimum cabinet size – 33” | Drain opening – 3-1/2”
- KITCHEN SET INCLUDES: Sink, Basket Strainer, Kitchen Towel, Mounting hardware, cutout template LIFETIME LIMITED and customer service that puts you first
- NATURALLY HYGIENIC material enriched with silver ions that repel germs for a cleaner sink | LOW MAINTENANCE SURFACE is highly resistant to dirt and grime, and easily wipes clean
- A QUIETER KITCHEN SINK: Thick stone like material engineered to eliminate vibration and noise when the sink is in use NON FADING COLOR with UV protection for a rich and consistent hue that will not dull over time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00E6SP5R0 |
| ASIN  | B00E6SP5R0 |
| Best Sellers Rank | #147,301 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #359 in Single Bowl Kitchen Sinks |
| Brand Name | Kraus |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,326) |
| Customer reviews | 4.6 4.6 out of 5 stars (1,326) |
| Date First Available  | 6 March 2014 |
| Drain Type | Basket Strainer |
| Finish Types | Matte |
| Global Trade Identification Number | 00846639017541 |
| Included Components | Basket strainer, Kitchen Towel, Mounting Hardware, Sink |
| Installation Type | Undermount |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions D x W x H | 43.4D x 77.4W x 22H centimeters |
| Item Type Name | Workstation Quartz Composite Single Bowl Farmhouse Kitchen Sink |
| Item Weight | 30.36 Pounds |
| Item model number  | KGU-413B |
| Manufacturer | Kraus |
| Manufacturer  | Kraus |
| Manufacturer Part Number | KGU-413B |
| Material Type | Quartz, Resin, Stone |
| Model Number | KGU-413B |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Care Instructions | Wipe with Dry Cloth |
| Product Dimensions  | 77.39 x 43.41 x 22 cm; 13.77 kg |
| Shape | Rectangular with Rounded Corners |
| Size | 31 Inch |
| Style | Undermount |
| UPC | 846639023276 846639017541 |

## Product Details

- **Brand:** Kraus
- **Colour:** Black
- **Material:** Quartz, Resin, Stone
- **Product dimensions:** 43.4D x 77.4W x 22H centimeters
- **Size:** 31 Inch

## Images

![KGU-413B 31 inch Undermount Single Bowl Black Onyx Granite Kitchen Sink - Image 1](https://m.media-amazon.com/images/I/71zwf6EYmaL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: Can double check if it comes with the strainer and towel?**
A: It does come with a strainer.

**Q: is it dark b;ack or more of a dark, charcoal?**
A: Black. It is a great sink, easy to clean and holding up to kids.

**Q: Our counter top hole size is 31x20. Is this feasible?**
A: The hole in my counter for this sink as an undermount is 28.5x18.5". I think your 31" dimension would be too big, even if the sink were drop-in mounted.

**Q: Is the color shiny black or matte black?**
A: Thanks for your inquiry. 

Our Granite inks are matte black. 

Thanks

## Frequently Bought Together

- KRAUS Quarza 31-inch Undermount Single Bowl Granite Kitchen Sink in Black Onyx, KGU-413B
- Kraus Kitchen Sink Strainer for 3.5-Inch Drain Openings in Black, PST1-BL
- KRAUS Bolden Commercial Style 2-Function Single Handle Pull Down Kitchen Faucet in Matte Black, KPF-1610MB

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**Shop now:** [https://www.desertcart.gr/products/258641802-kgu-413b-31-inch-undermount-single-bowl-black-onyx-granite](https://www.desertcart.gr/products/258641802-kgu-413b-31-inch-undermount-single-bowl-black-onyx-granite)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-08-24*