BLANCO Quatrus R15 1-3/4 Double Bowl Undermount Sink – Model 443150

The BLANCO Quatrus R15 1-3/4 Double Bowl Undermount Sink (Model 443150) is a premium stainless steel kitchen sink designed to deliver flexible functionality and modern styling. Part of BLANCO’s Quatrus R15 series, this sink features a practical 1-3/4 double-bowl configuration with a larger primary bowl and a smaller secondary bowl, making it ideal for multitasking such as washing, rinsing, and food preparation.

Constructed from premium 18-gauge 304 stainless steel with a satin finish, the sink provides excellent resistance to corrosion, dents, and everyday wear while maintaining a clean, professional appearance. The undermount installation creates a seamless transition between sink and countertop, simplifying cleanup and enhancing the overall kitchen design.

With refined R15 radius corners, integrated sound-dampening pads, and efficient drain channeling, the Quatrus R15 443150 sink delivers long-lasting durability and everyday convenience for modern kitchens.

Key Features

• 1-3/4 Double Bowl Configuration – Large primary bowl paired with a smaller secondary bowl for efficient multitasking
• Undermount Installation – Seamless integration with countertops for a clean, modern appearance and easy cleanup
• Premium Stainless Steel Construction – Made from durable 18-gauge 304 stainless steel with a satin finish that resists corrosion and wear
• R15 Radius Corners – Slightly rounded corners improve cleanability while maintaining a contemporary look
• X-Pattern Drain Grooves – Helps direct water toward the drains and reduces standing water
• Sound-Dampening Pads – Reduces noise and vibration during daily use
• Optional Accessories Compatible – Works with grids, colanders, cutting boards, and drying mats (sold separately)
• Limited Lifetime Warranty – Backed by BLANCO’s trusted manufacturer warranty

Product Specifications

Brand: BLANCO
Model: 443150
Collection: Quatrus R15
Material: 18-gauge 304 stainless steel
Finish: Satin stainless steel
Installation Type: Undermount
Bowl Configuration: 1-3/4 double bowl (large left / small right)
Shape: Rectangular with R15 radius corners

Overall Dimensions: Approximately 33″ (W) × 18″ (D) × 9″ (H)
Left Bowl Interior: Approximately 17″ × 16″ × 9″
Right Bowl Interior: Approximately 13″ × 16″ × 9″

Drain Opening: Standard 3.5″ (strainers sold separately)
Minimum Cabinet Size: 36″ recommended

Warranty: Limited lifetime manufacturer’s warranty

What’s Included

• BLANCO Quatrus R15 Stainless Steel Undermount Sink (Model 443150)
• Installation instructions and cut-out template

Note: Faucet, strainers, grids, and accessories are sold separately.

Ideal For

• Primary kitchen sink applications
• Multitasking workflows such as washing and rinsing
• Kitchens requiring separate prep and cleanup zones
• Modern and transitional kitchen designs
• Undermount countertop installations