Will this flange fit every kitchen sink?
No. It is a standard 4.5 by 1.75 inch flange. Measure the sink thickness and existing mounting assembly; a thick farmhouse sink may require an extended InSinkErator flange.

4.5 × 1.75 in standard flange
$35.99
InSinkErator disposals · 4 exact finishes · not extended
This size: Matte black. Compare sizes
Ships from a US warehouse in 3 to 5 days. Shipping to the United States is included. Shipping details.
A genuine InSinkErator standard sink flange for connecting an InSinkErator garbage disposal to a kitchen-sink drain. Choose the exact finish SKU: oil-rubbed bronze, matte black, brushed stainless steel, or white. Each flange measures 4.5 inches across by 1.75 inches deep. Before ordering, confirm the disposal brand and measure the sink thickness or existing mounting assembly; a thick farmhouse sink may require an extended flange instead.
The measurement
4.5 × 1.75 in standard flange
InSinkErator disposals · 4 exact finishes · not extended
The fit
Illustration based on the product photo. Use the measurements written on this page.
InSinkErator standard garbage-disposal sink flange is listed for insinkerator disposals · 4 exact finishes · not extended. Compare every deciding measurement below with your space before ordering.
| Flange dimensions | 4.5 × 1.75 in |
|---|---|
| Disposal compatibility | InSinkErator-manufactured garbage disposals |
| Flange type | Standard, not extended |
| Material | Stainless steel |
| Pack quantity | 1 flange |
| Baffle included | No |
| Stopper included | No |
| Check before ordering | Disposal brand, sink thickness, existing mounting assembly and exact finish |
| Not for | Thick sinks requiring an extended flange or unverified non-InSinkErator disposals |
| Finish | Matte black |




Ships from a US warehouse in 3 to 5 days. Shipping to the United States is included.
You can return an unused item within 30 days of delivery. You pay the return postage. If the item arrives damaged, or it is a different measurement than the product page states, write to support@utiliy.com and Utiliy pays the return.
No. It is a standard 4.5 by 1.75 inch flange. Measure the sink thickness and existing mounting assembly; a thick farmhouse sink may require an extended InSinkErator flange.
It is specified for InSinkErator-manufactured garbage disposals. Brand alone should not be extended to another disposer without confirmed mounting compatibility.
One standard decorative flange in the selected finish. The baffle, stopper and garbage disposal are not included.
No. Matte black is a flat black finish. Oil-rubbed bronze is a deep brown finish with copper-toned distressed edges. Select the exact SKU.
Match the flange to the sink or faucet finish. FLG-SSB is brushed stainless steel; FLG-WH is bright semi-gloss white.
Utiliy transcribes published maker or supplier specifications into consistent units and does not fill in measurements that were not supplied.
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