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Clearwater Lumen SB 400mm Single Bowl Quarex Granite Composite Kitchen Sink
In stock
Only %1 left
Product Code
KS-1692
£270.00
Clearwater Lumen 400mm single bowl granite composite sink in Quarex® with silver ion anti-microbial surface, suitable for undermount or inset installation, available in six colours.
Details & Specifications
Product Code
KS-1692
Brand
Clearwater
Guarantee / Warranty
Lifetime Warranty
Overall Length x Width
400 mm × 400 mm
Minimum Cabinet Width
500 mm
Material
Quarex® granite composite with 80% quartz enriched with silver ions, anti-microbial hygienic surface
Sink Installation
Inset, Undermount
Number of bowls
1 bowl
Sink layout
Bowl only
Main Bowl Width
400 mm
Main Bowl Depth
400 mm
Main Bowl Height
200 mm
Integrated Drainer
No drainer
Waste Kit Included?
Yes
Description
The Clearwater Lumen SB 400 is a compact single bowl kitchen sink engineered from Quarex® granite composite — an advanced material containing 80% quartz enriched with silver ions. Clearwater Sinks & Taps combine functionality and design versatility with reliable performance, and the Lumen range exemplifies their commitment to both contemporary aesthetics and durable engineering.
The Quarex® surface incorporates silver nano-particles that form a protective coating, reducing bacterial growth by up to 98% for a hygienic food preparation environment. The fine-grained structure repels dirt while delivering high resistance to scratches, impacts, stains, and heat — practical qualities for everyday kitchen use.
With clean geometric lines, the Lumen suits modern kitchen designs. The 400mm square bowl provides practical capacity for washing cookware while maintaining a minimalist footprint. Installation flexibility is central: specify undermount for a seamless finish with solid surface worktops, or inset for compatibility with all worktop materials including laminate. Available in a choice of six colours to coordinate with contemporary palettes. Requires a minimum 500mm cabinet width. Supplied with a standard waste kit and backed by Clearwater's lifetime warranty.
Delivery & Returns
Delivery lead times
Standard: 2-5 working days
Next Working Day: Next working day (Mon-Fri)
Next Working Day pre 12: Next working day before 12 Noon (Mon - Fri).
Next Working Day pre 10: Next working day morning before 10am (Mon - Fri).
Saturday pre 12: Saturday before 12 Noon.
Next Working Day & Saturday last orders
Orders must be placed by 2pm to be delivered the next working day.
Orders placed before 2pm on Friday will be delivered the following Monday.
Orders placed after 2pm on Friday will be delivered the following Tuesday.
Saturday deliveries must be placed before 2pm Friday.
Delivery charges
Standard Delivery: Free
Next Working Day Delivery: £8 - Free for orders over £75
Next Working Day pre 12 Noon: £15
Next Working Day pre 10am: £22
Saturday pre 12 Noon: £30
Additional charges may apply to some postcode such as but not limited to northern Scotland, Northern Ireland and UK Islands.
Returns & Cancellations
You may request to return your order up to 14 days after delivery in accordance with Distance Selling Regulations. All Clearwater taps and sinks are delivered direct by Clearwater and they require that they collect any returns themslves too. There will be a courier collection charge for returning Clearwater sinks and taps, ranging from £15 to £40 depending on the size and type of product. Please be aware that some items, such as custom made to order items, would not fall under the Regulations. Please refer to our Returns & Cancellations Terms & Conditions for full details.
Damaged or missing on delivery
While every care is taken to package and deliver your goods safely, as with any manually handling very occasionally items can be damaged during delivery. Please make sure you check your order for any damage or missing items within 48 hours of receiving it. We are unable to refund any orders for damaged on delivery claims after 48 hours from the time the order was delivered.
Standard: 2-5 working days
Next Working Day: Next working day (Mon-Fri)
Next Working Day pre 12: Next working day before 12 Noon (Mon - Fri).
Next Working Day pre 10: Next working day morning before 10am (Mon - Fri).
Saturday pre 12: Saturday before 12 Noon.
Next Working Day & Saturday last orders
Orders must be placed by 2pm to be delivered the next working day.
Orders placed before 2pm on Friday will be delivered the following Monday.
Orders placed after 2pm on Friday will be delivered the following Tuesday.
Saturday deliveries must be placed before 2pm Friday.
Delivery charges
Standard Delivery: Free
Next Working Day Delivery: £8 - Free for orders over £75
Next Working Day pre 12 Noon: £15
Next Working Day pre 10am: £22
Saturday pre 12 Noon: £30
Additional charges may apply to some postcode such as but not limited to northern Scotland, Northern Ireland and UK Islands.
Returns & Cancellations
You may request to return your order up to 14 days after delivery in accordance with Distance Selling Regulations. All Clearwater taps and sinks are delivered direct by Clearwater and they require that they collect any returns themslves too. There will be a courier collection charge for returning Clearwater sinks and taps, ranging from £15 to £40 depending on the size and type of product. Please be aware that some items, such as custom made to order items, would not fall under the Regulations. Please refer to our Returns & Cancellations Terms & Conditions for full details.
Damaged or missing on delivery
While every care is taken to package and deliver your goods safely, as with any manually handling very occasionally items can be damaged during delivery. Please make sure you check your order for any damage or missing items within 48 hours of receiving it. We are unable to refund any orders for damaged on delivery claims after 48 hours from the time the order was delivered.


