Blanco Waste Disposer Stopper

The Blanco 440004 is a stainless steel disposal strainer and stopper assembly designed to fit kitchen sinks with a garbage disposal. It combines a durable strainer and stopper in one unit to help seal the sink and provide a polished, finished look while still allowing water drainage.

Key Features

• Dual Function: Acts as both a strainer (to catch debris) and stopper (to hold water in the sink) when needed.

• Stainless Steel Construction: Durable metal resists corrosion and everyday wear.

• Polished Finish: Clean, sleek appearance that complements Blanco stainless and SILGRANIT kitchen sinks.

• Compatible with Disposals: Designed to fit standard garbage disposals with a 3½″ inside diameter, such as InSinkErator units.

• Easy to Clean: The strainer element lifts out for rinsing and maintenance.

• 1‑Year Limited Warranty: Typical for Blanco accessory parts.

Dimensions & Specs

• Model: Blanco 440004.

• Fits Drain Opening: 3½″ inside diameter (ID) — standard kitchen sink size.

• Material: Stainless steel.

• Finish: Polished stainless.

• Installation: Sits in sink drain and interfaces with garbage disposal flange.

• Diameter (strainer/stopping component): ~3.38″ (fits 3½″ opening).

• Warranty: 1‑year limited.

Use Case

This part is ideal as a replacement or accessory for kitchen sinks with garbage disposals. It gives a finished, matching look to your drain opening, helps stop food debris from falling directly down the drain, and can act as a stopper when you want to fill the sink.