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🔧 Upgrade your sink game with the ultimate extended flange—because your thick sink deserves the best!
The InSinkErator Deep Sink 3.5 Extended Sink Flange is a polished stainless steel accessory engineered to connect InSinkErator disposers to sinks ranging from 3/4 inch to 1-3/4 inches thick. Designed for thicker, premium sink materials like fireclay and solid surface, it offers a sleek finish, easy installation, and is backed by a 5-year in-home service warranty from America’s leading disposer brand.

| ASIN | B00084W5O2 |
| Best Sellers Rank | #5,745 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #30 in Faucet Flanges |
| Brand Name | InSinkErator |
| Color | Polished Stainless Steel |
| Customer Reviews | 4.3 4.3 out of 5 stars (4,207) |
| Drain Type | Grid |
| Finish Types | Stainless Steel |
| Global Trade Identification Number | 00050375004448 |
| Installation Type | Undermount |
| Item Dimensions D x W x H | 40"D x 100"W x 50"H |
| Item Type Name | 3.5 Extended Sink Flange, Polished Stainless Steel |
| Item Weight | 4.16 ounces |
| Manufacturer | InSinkErator |
| Manufacturer Part Number | FLG-SSLG |
| Manufacturer Warranty Description | 5-Year "We Come To You" In-Home Service Warranty |
| Material Type | Stainless Steel |
| Model Number | FLG-SSLG |
| Product Care Instructions | Wipe with Dry Cloth |
| Shape | Round |
| Size | 3.5 Inch |
| Style | American |
| UPC | 754262185493 050375004448 798256187285 |
| Unit Count | 1.0 Count |
T**R
Works as intended but too expensive!
I am only giving this flange 5 stars because it does what i needed it to do. We recently upgraded our stainless steel kitchen sink into a Shaw Fireclay sink. For others who have bought the same sink as we did you will immediately realize that your current flange for your garbage disposal isnt deep enough to go through the sink. This sink is thicker than SS ones and so you need a flange that is deeper. Why this is worth $50 is beyond us, and since we cant find a substitute we are stuck with this. It gets the job done nicely and that is the only reason it is getting 5 stars. If it was based on price i would give this 0 stars....
F**N
Good fit for porcelain farmhouse sinks...
It worked out good...
M**.
If you have a Farmhouse sink you need this and possibly more
If you are trying to install an Insinkerator disposal unit (or even another brand) and have a Farmhouse sink you’ll need this Deep Sink Flange. The standard flange is 1-1/2 inches deep and it does not leave enough room for the thickness of a farmhouse sink. Here is the rest of the story... I go to my daughter's house to install a new dishwasher and end up installing a new disposal unit as well. She has a farmhouse sink and the plumber (or the person impersonating a plumber) installed the disposal on a 1” thick farmhouse sink with the standard flange. He did not use the backup flange and just had the screws directly contacting her expensive sink so the whole disposal unit was putting pressure on three screws. It was leaking badly, stinking badly and damaged the cabinet. [see graphic with screw indents in the sink] If your sink is thicker than ¾ of an inch you need this Deep Sink Flange but if your sink is between ¾” and 1” insinkerator does not have the full solution. There are two screw lengths they provide with the standard flange that comes with the new disposal unit which are the H1 which is 1-1/2 inches and H2 which is 1-1/8 inches. Now if you install a 1” sink in the Deep Sink Flange which is 3-1/2 inches deep that means you have about 2-1/2 more inches of flange. Of course, there is the snap ring which does take up some depth but the problem is that Insinkerator does not have screws long enough for a 1” sink and definitely not a ¾ inch sink. My solution was to add a second [see graphic] backup flange (kind of a kludge) and if it does NOT hold, I will obtain some longer stainless-steel screws. They should be called Insinkerator H3 screws and would be a 5/16-18 [18 threads per inch] and 1-3/4 inches long and the end should be flat so as to have better pressure on the back flange. Last comment – yes at $50 this deep flange is a rip-off and if it came with the 1-3/4 screws it would still be a rip-off but at least you could install your disposal unit.
C**Y
Very expensive but it works great.
Nice extension but it’s only available by order of hardware stores and Amazon. Ridiculously EXPENSIVE. You’re stuck buying the flange if you have a wider sink bottom. I received the part very quickly and I was able to put the sink and disposal back together. I would buy this product again.
M**A
Accurate size!
Just what I needed very accurate size!
R**R
What I needed.
The InSinkErator FLG-SSLG Deep Stainless Steel Sink Flange worked as expected. I was replacing my original InSinkErator, after 14 years of use, with a better, quieter unit. The new unit would not fit because of a slightly different shape that required it to sit lower than the included flange allowed to clear the bottom of my sink. This flange solved my problem. Yes, I had to use my own screws on the flange because the supplied screws were too short. However, this was because my disposal had to be lower to clear a sink support. I have a ceramic sink with a unique shape underneath to provide strength to the sink. This shape interfered with the disposal installation. This flange is designed to be used with an extra thick sink. The supplied screws would have worked fine had my problem been an extra thick sink rather than having to make the disposal sit lower.
J**T
This extended flange fits American Standard Disposal from Costco...
Great solution to my thick porcelain sink. My sink was too thick for the new garbage disposal I bought from Costco. I got the American Standard 1.25 hp. waste disposer recently. The flange that is inserted through the sink drain hole is too short for thicker porcelain sinks. I have installed many InSinkErator brand disposals, and this American Standard appeared to be manufactured by InSinkErator. Exact same mounting style. So I took a chance on this extended sink flange. It fits perfectly, and is totally compatible with the American Standard disposal. For some sinks, you may need to purchase 3 longer mounting bolts if your sink is too thick. The ones that come with these disposals are a little short, so you may not get them tight enough to create a water tight seal between your sink and this new flange.
S**G
no other company makes a deep flange like this so Insinkerator has full control of the market ...
Worked perfectly but this price is outrageous. From what I could tell, no other company makes a deep flange like this so Insinkerator has full control of the market and can charge whatever they want. You can get a standard flange for $15. This item should be $25, max.
A**R
Needed for the thicker than average farm sinks
Our plumber was not aware that he could get a deeper flange to fit the new farm sink and had no options for me. I searched on Amazon, found and ordered the new flange. Worked perfectly and installed in about 2 hrs. Fast delivery.
J**I
Perfetto!!!
La mia cucina ha un piano lavoro in ecotek e lo spessore per la piletta è di 2 cm. L’originale non ci stava perché poco profondo, invece con questo ho speso due minuti ed ho installato tutto. Fantastico se consideriamo che avrei dovuto limare lo spessore e non sarebbe venuto bene sicuramente… un po’ caro a mio avviso. Forse vi stava se includevano anche le guarnizioni e tutto il resto per installare. Ma ora sono a posto!
S**E
Worked great.
Got the insinkerator kit for a customer but the flange didn’t fit in the Belfast sink so had to get the longer one. Worked fantastic
J**9
Nepasuje
Výška je 90 mm anelze napojit. Ve skutečnosti máme 60 mm vysoký.
G**O
Articolo appropriato
Con questo articolo ho risolto il mio problema
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