Create a high-capacity cleanup hub in your outdoor kitchen with the Challenger Designs 30-Inch Double-Door Sink Base. This pre-assembled aluminum cabinet is designed to house larger sinks and provide easy access to plumbing. It is available in three distinct door styles to seamlessly match your outdoor decor: Shaker, Ribbed, or Pan.
This is a “30”” wide “SINK BASE” with a “Double Door” design, built to a full “28”” depth. The top is engineered with a “FALSE PANEL” for simple installation of a countertop and undermount sink. The rugged, all-aluminum construction is powder-coated for a lifetime of weatherproof and rust-proof durability.
The spacious interior is completely open, with “NO SHELF, NO DRAWER”, providing an unobstructed cavity perfect for any plumbing configuration, garbage disposal, or instant hot water heater. Personalize this essential cabinet by selecting from an extensive range of powder-coat colors, hardware, and your preferred door style.
Key Features:
- All-Aluminum Construction: A weatherproof and rust-proof build for a durable, long-lasting cabinet.
- Spacious 30-Inch Design: The wide frame and “FALSE PANEL AT TOP” are ideal for larger sink basins.
- Unrestricted Plumbing Cavity: A large interior with “NO SHELF, NO DRAWER” for easy plumbing and accessory installation.
- Full Double-Door Access: Two doors provide a wide, clear opening to the under-sink area.
- Three Designer Door Styles: Available in Shaker, Ribbed, or Pan designs to complete your kitchen’s look.
Specifications:
- Shaker Item #: OSB-303528-S
- Ribbed Item #: OSB-303528-R
- Pan Item #: OSB-303528-P
- Description: “30”” SINK BASE”
- Door Hinge: Double Door
- Depth: 28″
Note: This is a double-door sink base cabinet. The sink, faucet, countertop, and other units are sold separately. Please specify your door style, color, and handle choices when you order.


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