Simple Houseware • Model Expandable Shelf
Simple Houseware Expandable Two-Tier Under-Sink Shelf with Removable Panels
Best for wide cabinets with pipes that make fixed shelves impractical.

Listing images from the linked retailer or manufacturer source.
Specifications last verified August 31, 2026. View the specification source.
Fit verdict
Who the Expandable Shelf fits best
Wide cabinets with pipes that make fixed shelves impractical. Its listed cabinet needs an opening of at least 16.5 inches wide, 10.6 inches deep, and 15.4 inches high before any operating, ventilation, hose, or door clearance required by the manufacturer.
Check it against my spaceBefore you buy
Four measurements to confirm
- Map pipes, valves, disposal equipment, filters, and hoses inside the cabinet.
- Measure the narrower door and face-frame opening as well as the interior.
- Confirm pull-outs clear hinges and plumbing through their full travel.
- Preserve access to shutoffs and enough visibility to notice leaks.
Setup reality
Removable panels route around plumbing
Under-sink fit is determined by the plumbing map and door opening. The widest empty part of the cabinet may not be the path an organizer can actually use. Follow the manufacturer's instructions and confirm every connection or clearance before purchase.
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