Best picks

6 Best Dishwasher Air Gap Drain Hoses (November 2026)

Updated on ยท By the The Small Dishwasher team

The best dishwasher air gap drain hoses include the Vomtepe Dishwasher Drain Hose Adapter for adapting a disposal connection, the Sunniswi ๐™Š๐™€๐™ˆ DD97-00403E for compatible Samsung replacements, and the TTFLEX 6 FT Dishwasher Drain Hose for standard short runs.

On this page (6 sections)
  1. Which dishwasher air gap drain hose is the best fit?
  2. Which hose or adapter should you choose?
  3. How do you match a hose to an air gap and disposal?
  4. How much hose length do you need?
  5. Can the dishwasher air gap go under the sink?
  6. Which dishwasher air gap drain hose should you pick?

The best dishwasher air gap drain hose depends on whether you need an adapter or a full hose replacement. The Vomtepe adapter supports four hose sizes, while the TTFLEX and Elyfree hoses offer different lengths and connection options for drain routes.

An air gap separates the dishwasher drain line from the sink drain plumbing. If you're confirming what this component does, start with What Is an Air Gap on a Countertop Dishwasher?.

Our picks at a glance

  1. 1 Vomtepe Dishwasher Drain Hose Adapter
    Best for adapting a disposal connection

    Vomtepe Dishwasher Drain Hose Adapter

    9.7/10 our score

    See it on Amazon
  2. 2 Sunniswi ๐™Š๐™€๐™ˆ DD97-00403E
    Best for compatible Samsung replacements

    Sunniswi ๐™Š๐™€๐™ˆ DD97-00403E

    9.6/10 our score

    See it on Amazon
  3. 3 TTFLEX 6 FT Dishwasher Drain Hose
    Best for standard short runs

    TTFLEX 6 FT Dishwasher Drain Hose

    9.3/10 our score

    See it on Amazon
  1. 4TTFLEX 8FT Dishwasher Drain Hose with 90ยฐCheck it
  2. 5Elyfree 10 FT Dishwasher Drain Hose

    Elyfree 10 FT Dishwasher Drain Hose

    Best for the longest hose route
    Check it
  3. 6KAINGA 6FT Dishwasher Drain Hose

    KAINGA 6FT Dishwasher Drain Hose

    Best for a short trim-to-fit replacement
    Check it

Which dishwasher air gap drain hose is the best fit?

The Vomtepe adapter is the best match for adapting a hose connection, while the other picks are replacement hoses or a model-specific Samsung part. We compared their stated connection sizes, length, elbow shape and intended fit.

Our score weighs the listed features against what you're shopping for: a compatible connection between an air gap, dishwasher hose and sink drain plumbing.

ProductBest forHose sizesConnectionIncludedOur score
Vomtepe Dishwasher Drain Hose Adapteradapting a disposal connection1/2, 5/8, 3/4 and 7/8 in1/4 in quick connect and 7/8 in fittingAdapter, coupler and 2 clamps9.7
Sunniswi ๐™Š๐™€๐™ˆ DD97-00403Ecompatible Samsung replacements9.6
TTFLEX 6 FT Dishwasher Drain Hosestandard short runs9.3
TTFLEX 8FT Dishwasher Drain Hose with 90ยฐtight cabinet turns5/8, 7/8 and 1 in9.0
Elyfree 10 FT Dishwasher Drain Hosethe longest hose routeHose and 2 clamps8.8
KAINGA 6FT Dishwasher Drain Hosea short trim-to-fit replacementDrain hose8.6

Which hose or adapter should you choose?

Choose by the connection problem first: adapter for a fitting mismatch, replacement hose for a damaged or short run, and a model-specific part when replacing a compatible Samsung hose. Measure each connection before deciding.

1

Vomtepe Dishwasher Drain Hose Adapter: Best for adapting a disposal connection

Vomtepe Dishwasher Drain Hose Adapter, dishwasher air gap drain hoses
9.7/10Our score
  • Fits 1/2, 5/8, 3/4 and 7/8 in hoses
  • 1/4 in quick-connect port
  • Coupler and 2 stainless steel clamps included

This adapter is intended for connecting a dishwasher drain hose to a garbage disposal setup. Four hose-size options and a 1/4 in quick-connect port suit plumbing arrangements that also connect to a water filter or refrigerator water system.

See it on Amazon

Pros

  • Four hose-size options
  • Includes a coupler and clamps
  • No drilling required

Cons

  • Adapter rather than a replacement drain hose
  • Check the actual hose and disposal connection sizes

The Vomtepe adapter is the most flexible connection option in this group. It supports 1/2, 5/8, 3/4 and 7/8 in dishwasher hoses, and includes a coupler plus two stainless steel clamps.

A built-in 1/4 in quick-connect port can also connect to a water filter or refrigerator water system. The adapter is designed for a garbage disposal drain setup and does not require drilling.

This is a fitting, not a long replacement hose. Confirm that the adapter's ends match your hose and the plumbing connection, and follow the instructions for the air gap and disposal.

Choose it when the hose is usable but its connection needs adapting. If the hose itself needs replacement, compare the lengths and end sizes of the TTFLEX and Elyfree options below.

Vomtepe Dishwasher Drain Hose AdapterCheck it on Amazon
2

Sunniswi ๐™Š๐™€๐™ˆ DD97-00403E: Best for compatible Samsung replacements

Sunniswi ๐™Š๐™€๐™ˆ DD97-00403E, dishwasher air gap drain hoses
9.6/10Our score
  • 7.25 ft long
  • Designed for specified Samsung models
  • Replacement part DD97-00403E

This replacement hose is designed for select Samsung dishwashers that use part DD97-00403E or DD97-00403A. Check your model and existing part number before choosing it.

See it on Amazon

Pros

  • Specific Samsung compatibility
  • 7.25 ft length
  • Standard connectors

Cons

  • Not a universal hose
  • Confirm the exact dishwasher model

The Sunniswi hose is a replacement option for specific Samsung dishwashers using DD97-00403E or DD97-00403A. Its 7.25 ft length gives it a defined fit for that model-specific job rather than a broad universal role.

The product name lists several Samsung models, including DW80K5050U, DW80R9950U, DW80J3020U and DW80R5061U. Check the full model number and existing hose part number before ordering, since model families can have different versions.

Its standard connectors are intended to make replacement straightforward. Use the dishwasher's instructions and secure the connections as directed.

Pick this when your Samsung model and part number match. For a hose with multiple trim-to-fit diameters, the TTFLEX options are more adaptable.

Sunniswi ๐™Š๐™€๐™ˆ DD97-00403ECheck it on Amazon
3

TTFLEX 6 FT Dishwasher Drain Hose: Best for standard short runs

TTFLEX 6 FT Dishwasher Drain Hose, dishwasher air gap drain hoses
9.3/10Our score
  • 6 ft long
  • Three trim-to-fit inner diameters
  • Clamps included

This flexible 6 ft hose has multiple diameter options at both ends and can be trimmed to fit. Measure the dishwasher and sink or disposal connections first.

See it on Amazon

Pros

  • Three diameter options at each end
  • Flexible corrugated hose
  • Stainless steel clamps included

Cons

  • May be too short for a long route
  • Requires trimming to match the connection

The TTFLEX 6 ft hose suits a relatively short drain route. Its ends offer 5/8, 3/4 and 1 in inner diameters for both the dishwasher and sink ends, and can be trimmed to the required size.

The flexible corrugated polypropylene hose can maneuver around cabinet plumbing. Rubber stubs and stainless steel clamps are included to secure the connections.

Measure the route before buying. A hose that reaches only when stretched tightly or forced around a corner can be difficult to install cleanly; this 6 ft option is best when the measured path leaves workable slack.

Choose it for a short run with a size that matches one of its end options. If the path needs more reach or a sharp turn, consider the 8 ft hose with an elbow.

TTFLEX 6 FT Dishwasher Drain HoseCheck it on Amazon
4

TTFLEX 8FT Dishwasher Drain Hose with 90ยฐ: Best for tight cabinet turns

TTFLEX 8FT Dishwasher Drain Hose with 90ยฐ, dishwasher air gap drain hoses
9.0/10Our score
  • 8 ft long
  • 90 degree elbow
  • Three trim-to-fit inner diameters

The 8 ft hose includes a 90 degree elbow for a connection in a tight space. Its diameter options can be trimmed, so check the end sizes and route before installing.

See it on Amazon

Pros

  • 90 degree elbow for a tight turn
  • 8 ft reach
  • Clamps included

Cons

  • Elbow size may not suit every fitting
  • Longer than needed for some installations

The TTFLEX 8 ft hose is the better choice when a drain connection needs a 90 degree turn in a tight space. It has three trim-to-fit sizes, 5/8, 7/8 and 1 in, plus a 0.94 in ID elbow.

The hose is flexible corrugated polypropylene, and clamps are included. The elbow can help route a connection where a straight hose would be awkward, though its inside diameter still needs to suit the fitting.

Plan the path before trimming or clamping it. Leave room to connect both ends without twisting the hose or forcing the elbow against a cabinet wall.

Choose this when the extra length and elbow solve a measured routing problem. For a longer straight route without an included elbow, the Elyfree 10 ft hose offers more reach.

TTFLEX 8FT Dishwasher Drain Hose with 90ยฐCheck it on Amazon
5

Elyfree 10 FT Dishwasher Drain Hose: Best for the longest hose route

Elyfree 10 FT Dishwasher Drain Hose, dishwasher air gap drain hoses
8.8/10Our score
  • 10 ft long
  • Three trim-to-fit connector sizes
  • Two stainless steel clamps

The 10 ft length helps when a dishwasher drain route needs more reach. The ends fit 5/8, 3/4 and 1 in stubs and can be cut to size; this hose does not include an elbow.

See it on Amazon

Pros

  • Longest hose in this roundup
  • Three end sizes
  • Clamps included

Cons

  • No elbow included
  • Extra length needs careful routing

The Elyfree hose provides the longest reach here at 10 ft. Both ends have 5/8, 3/4 and 1 in connector sizes that can be cut to fit, and two stainless steel clamps are included.

Its corrugated polypropylene construction is flexible, and the brand describes it as reinforced. The hose does not include an elbow accessory, so account for bends in the route and avoid sharp kinks.

Extra length can be useful when the dishwasher and drain connection sit farther apart, but don't coil excess hose into a tight loop. Measure the actual path and check that both ends match the air gap or drain fittings.

Pick it for a longer route that needs up to 10 ft of hose. If you need a shorter replacement, the 6 ft KAINGA hose is another trim-to-fit option.

Elyfree 10 FT Dishwasher Drain HoseCheck it on Amazon
6

KAINGA 6FT Dishwasher Drain Hose: Best for a short trim-to-fit replacement

KAINGA 6FT Dishwasher Drain Hose, dishwasher air gap drain hoses
8.6/10Our score
  • 6 ft long
  • 5/8, 3/4 and 1 in ends
  • Corrugated polypropylene

This 6 ft replacement hose has cuttable ends sized for 5/8, 3/4 and 1 in connections. KAINGA notes that compatibility with some LG models may be limited.

See it on Amazon

Pros

  • Three end sizes
  • Flexible corrugated construction
  • Short 6 ft length

Cons

  • Clamps are not listed among included components
  • Check LG compatibility carefully

The KAINGA hose is a 6 ft replacement with 5/8, 3/4 and 1 in end sizes. The corrugated polypropylene hose can be trimmed to fit the dishwasher and sink or disposal connections.

This option suits a short run where its available diameters match both fittings. KAINGA notes that some LG models may not be fully compatible, so check your model and hose dimensions closely if you have an LG dishwasher.

The listed included component is the drain hose. Confirm whether you need separate clamps or other hardware for your installation.

Choose it for a short route and compatible end sizes. If you need a longer hose or an elbow, compare the TTFLEX 8 ft and Elyfree 10 ft options.

KAINGA 6FT Dishwasher Drain HoseCheck it on Amazon

How do you match a hose to an air gap and disposal?

Match the hose to the actual inlet and outlet diameters, not just the dishwasher brand. An air gap setup can involve different sizes at the dishwasher hose, air gap and sink drain connections.

Before buying, measure the current hose ends and the air gap and disposal fittings. Check the installation instructions for the dishwasher and air gap, since a part that fits one end may not fit the other.

If the dishwasher has a separate water line or drain layout, the double dishwasher air gap guide can help you understand when a dual connection is relevant. For appearance, see our picks for the best dishwasher air gap matte black.

How much hose length do you need?

Choose the shortest hose that follows the measured path without pulling tight or bending sharply. Route length, not the straight-line distance between appliances, determines whether a 6, 8 or 10 ft hose is suitable.

A longer hose can leave excess slack to manage, while a short hose can be difficult to connect if the path includes cabinet turns. See Can You Extend a Countertop Dishwasher Drain Hose? for considerations on adding reach to a different countertop setup.

Can the dishwasher air gap go under the sink?

A conventional countertop air gap is usually installed at the sink or counter, while the hose and drain plumbing run beneath it. Review the appliance and local plumbing instructions before changing the air gap's location.

Our guide explains the question of a dishwasher air gap under sink. Keep the hoses accessible enough to inspect their connections for leaks and kinks.

Which dishwasher air gap drain hose should you pick?

Choose the Vomtepe adapter when your existing hose needs a compatible disposal connection, the Sunniswi when you have a matching Samsung model, or a TTFLEX or Elyfree hose when replacing the full run. For a short route, compare the 6 ft options; for more reach or a tight turn, consider the 8 ft elbow or 10 ft hose.

Our top 3 picks at a glance

  1. 1 Vomtepe Dishwasher Drain Hose Adapter
    Best for adapting a disposal connection

    Vomtepe Dishwasher Drain Hose Adapter

    9.7/10 our score

    See it on Amazon
  2. 2 Sunniswi ๐™Š๐™€๐™ˆ DD97-00403E
    Best for compatible Samsung replacements

    Sunniswi ๐™Š๐™€๐™ˆ DD97-00403E

    9.6/10 our score

    See it on Amazon
  3. 3 TTFLEX 6 FT Dishwasher Drain Hose
    Best for standard short runs

    TTFLEX 6 FT Dishwasher Drain Hose

    9.3/10 our score

    See it on Amazon

Frequently asked questions

What size hose connects a dishwasher air gap to a disposal?

The correct size depends on the air gap outlet and disposal inlet. Measure both fittings and compare them with the hose or adapter sizes before buying.

A multi-size adapter can help when its range includes your measured hose, but it does not make every connection universal.

Can a dishwasher drain hose connect directly to an air gap?

Yes, when the hose diameter matches the air gap inlet and the connection is secured as required by the air gap and dishwasher instructions. The air gap outlet then needs a suitable route to the sink drain or garbage disposal.

Check both ends instead of choosing a hose by length alone.

Should I choose an air gap adapter or a replacement hose?

Choose an adapter when the existing hose is sound and the connection sizes are the problem. Choose a replacement hose when the hose itself is damaged, too short or incompatible with the route.

For an adapter, compare the hose and plumbing sizes.

For a hose, check both end sizes and the measured path.

How long should a dishwasher air gap drain hose be?

Measure the route from the dishwasher to the air gap or drain connection, allowing enough length to follow the path without a sharp bend or kink. Avoid leaving a large loose loop under the sink.

This guide to countertop dishwasher drain hose length covers measuring a different hose setup.