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SKU #: KOH13211

Kohler Air Gap Cover with Collar

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Kohler Air Gap Cover with Collar

This solid-brass air gap cover, when paired with a plastic body, keeps kitchen pipes free of dirt by preventing wastewater backflow.


  • Air gap completely covers clamping collar.
  • Solid polypropylene body.
  • Solid brass construction for durability and reliability.
  • Kohler® finishes resist corrosion and tarnishing, exceeding industry durability standards over two times.
  • Complements Kohler® faucet finishes.

Product Details:

  • Product Type: Air Gaps
  • Material: Brass
  • UPC Certified: Yes
  • Product Warranty: Lifetime Limited


  • Overall: 2.44" H x 1.78" W x 1.78" D
  • Overall Product Weight: 1lbs

Special Offer:

12 Issues of Sunset Magazine

Included with purchase ($20 value). 

Kohler Air Gap Cover with Collar

Weights & Dimensions

  • Overall: 2.44" H x 1.78" W x 1.78" D
  • Overall Product Weight: 1lbs


Product Type: Air GapsMaterial: Brass
Maximum Deck Thickness: 2 InchesCountry of Manufacture: United States


Installation Required: Yes 


Product Warranty: Lifetime Limited 


UPC Certified: YesIAPMO Certified: Yes

About the Manufacturer

Kohler's history begins in 1873, with the first of many bold business moves. Despite a climate of financial panic and the start of a five-year economic depression, 29-year-old Austrian immigrant John Michael Kohler purchased the Sheboygan Union Iron and Steel Foundry.

The firm had a successful start producing cast iron and steel implements for farmers, castings for the city's furniture factories, and ornamental iron pieces that included cemetery crosses, urns and settees. A key turning point came in 1883 when John Michael seized upon another bold idea to improve his customers' quality of life. By applying baked enamel coating to a Kohler horse trough/hog scalder, he had created the Kohler Co.'s first bathtub. Kohler was now in the plumbing business.

Like John Michael, many of the early employees were immigrants. Steeped in a heritage of European craftsmanship, they were eager to achieve success in their new country. Their dedication to excellence helped to forge one of the oldest and largest privately-held companies in the United States.

The value of the Arts/Industry program to the factory can be assessed from both a personal and business standpoint. For some, the experience of meeting artists from all over the world is the most important aspect. For others, it is the bottom line. Over the years, design ideas generated by artists have been translated into innovative new products offered by the company.

Kohler Co. has long encouraged an ongoing dialogue with the art community by opening the doors of its pottery and iron foundry to internationally recognized artists. In a program administered by the John Michael Kohler Arts Center , artists work side by side with Kohler associates during long-term residencies, utilizing industrial technology on projects of their own choosing. The resulting free exchange of techniques and ideas has opened whole new avenues of creative expression for the artists.

Kohler Air Gap Cover with Collar

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    When you buy a Kohler Air Gap Cover with Collar online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Kohler Part #: K-9111 here. If you have any questions about your purchase or any other Kitchen Sink Accessories product for sale our customer service representatives are available to help.Whether you just want to buy a Kohler Air Gap Cover with Collar or shop for your entire home, Wayfair has a zillion things home.
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    Average Overall Rating
    (based on 8 reviews)

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    Great air gap cover

    from Los Altos, CA – Verified Buyer

    Most of the air gap covers that I've looked at doesn't have the rim that extends all the way down to cover things up. And this one has the extended rim, which works great! We no longer see the extra white rim that is left uncovered. I wish the item comes in the color "satin nickle", but as is, it is already a great match to our other fixtures.

    Was this helpful? Yes0 No0

    Air gap cover

    from Salinas, CA – Verified Buyer

    Great looking, didn't realize it had a name brand on the front, no big deal but doesn't match our faucet.

    Was this helpful? Yes0 No0

    As nice as you can get

    from Sunnyvale, CA – Verified Buyer– Top 1000 Reviewer

    Since the local building code requires the use of an airgap, I had to upgrade the cheap one that came with my dishwasher. This matches the rest of the Kohler kitchen fixtures I got

    Was this helpful? Yes0 No0

    Matches my sink & faucet

    from McKinney, TX

    I got this to replace my old chrome air gap cover when I replaced my chrome faucet with a SS faucet. The SS air gap matches my sink & faucet and looks much better than the chrome air gap. The collar covers well.

    Was this helpful? Yes0 No0

    Love the color!

    from Texas

    We just upgraded our kitchen sink, and this was part of the renovation. I love the color and it looks great against our stainless steel sink! Kohler is truly quality craftmanship.

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    Beautiful Air Gap Cover by Kohler

    from Newport Coast, CA

    Looks even better in person!

    Was this helpful? Yes0 No0

    Very Exciting Brushed Copper Air Gap

    from LOS ANGELES, CA – Verified Buyer

    It worked, it fit,all is well..thanks Wayfair! Matches with Faucet I also bought at same time...different company so that is cool !

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    from California – Verified Buyer

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    OUR SKU # KOH13211

    Air Gap Cover with Collar is also sometimes listed under the following manufacturer numbers: K-9111-2BZ, K-9111-BL, K-9111-BN, K-9111-BV, K-9111-CP, K-9111-G, K-9111-PB, K-9111-SN, K-9111-VS