Dust Collection

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4" to 2-1/2" Reducer

The Fulton 4 Inch to 2 1/2 inch reducer has been designed with a specific purpose in mind. That purpose is to connect the industry standard 4 inch diameter dust collection hose with the other industry standard 2 1/2 inch diameter dust collection hose. With a couple of hose clamps (not included) this reducer does its job perfectly and more! One of the reasons that this fitting is used so often within the woodworking industry, is that many of us don’t want or need a large dust collection system in our garage or workshop. With this fitting, you’ll be able to reduce your hose size down to the 2 1/2 inch size which the most commonly used size for most big box store wet/dry vacuums and shop vacuums.

4 inch to 2-1/2 inch Hose to Hose Reducer

Many machines, dust collectors, workshop vacuums and other power tools come in many different shapes and sizes, the two most common hose size in the woodworking industry is by far the 4" diameter hose and the 2-1/2" diameter hose. With that, we sometimes have to connect the two hoses together in order to connect to our workshop vacuums or wet/dry vacs. While we could of course use a whole lot of duct tape to kinda sorta achieve this, why not use the one and only fitting designed specifically for this purpose.

Hose to Hose

This fitting is designed to be used when connecting or reducing 4" hose to 2-1/2" hose. While there are other uses for this fitting, this is the primary function. All you need is a 4" hose clamp and a 2-1/2" hose clamp to secure your two hoses to the reducer.

Machine Port to Hose

Another function of this reducer is to to connect to 4" machine port opening. Many band saws, cabinet table saws, planers and more incorporate a 4" port. To correctly secure the reducer you will need to use either a small hose section or a rubber coupler fitting as shown above. The hose section and the rubber coupler are NOT included with the reducer.

Plug in Your Wet/Dry Vac Hose

Many of the hoses used for larger workshop vacuums use a 2-1/2" plug size. This size conveniently plugs right into the Fulton 4 inch to 2-1/2" reducer.

The Reducer Accepts Most Standard Wet/Dry Vac hoses

Tag this on to the "little known secret" category of features for this reducer. This reducer accepts most wet dry vac hoses to make connecting your vacs a literal breeze!

Quick and Easy

With the proper accessories, the Fulton 4 inch to 2-1/2 reducer is very easy to setup and the setup takes virtually no time at all! Simply attach the reducer to a hose section or rubber coupler and attach that to your machine and you're ready to go!

Measure Up

Made from high quality ABS plastic for extended periods of use, this fitting will withstand the constant friction and debris flow of woodworking dust collectors. The reducer measures: Nominal 4 inch end is 3-61/64” OD and 3-41/64” ID; 2-1/2” nominal OD end measures 2-15/32” OD and 2-9/32” ID. All of the dimensions may slightly vary due to slight variations in the manufacturing process.

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4" to 2-1/2" Reducer

with 4 inch Flexible Cuff Rubber Coupler

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4" to 2-1/2" Reducer

with 4 inch Flexible Cuff Rubber Coupler

Reducing a 4 inch dust port on your machinery has never been easier! With our 4 inch to 2-1/2 inch hose reducer fitting and rubber coupler you can connect a 2-1/2 inch hose directly to a 4” port on machines like band saws, table saws, large planers and more. This convenient combo pack is designed to accept most standard size 4 inch dust collection fittings such as Y’s, T’s, Elbows, Blast gates, Dust ports and other standard size 4 inch dust collection fittings.

Reduce 4" Ports on Machinery Down to a 2-1/2" Hose Size

With our 4 inch to 2-1/2 inch hose reducer fitting and rubber coupler you can connect a 2-1/2 inch hose directly to a 4” port on machines like band saws, table saws, large planers and more.

Designed to Accept Most Standard Size 4 inch Dust Collection Fittings

This convenient combo pack is designed to accept most standard size 4 inch dust collection fittings such as Y’s, T’s, Elbows, Blast gates. Two stainless steel hose clamps help provide a tight seal on the 4 inch end and keep the reducer from falling out. These clamps fit neatly into the slots around the coupler so there is no slipping when tightened. No more busting your knuckles. Each clamp is equipped with a blue turn key mechanism to make tightening and loosening the clamp super easy.

Works with Most Wet/Dry Vacuum Hoses

Most wet/dry vacuum hoses will plug directly into the smaller end of this fitting making it a super value for most professional and us weekend warrior type woodworkers. There are some vacuum units that use different size hoses and hose adaptors so please be sure to measure your hose and machine ports before making a purchasing decision.

The Perfect Kit for a 4" Port

Most common workshop machines are equipped with a 4" port. This kit is perfect for those who don't own a large dust collector or simply want to use a shop vacuum for certain projects

High Quality Durability

Made from high quality ABS plastic for extended periods of use, the reducer fitting will withstand the constant friction and debris flow of woodworking dust collectors. The reducer measures: Nominal 4” end is 3-61/64” OD and 3-41/64” ID; 2-1/2” nominal OD end measures 2-15/32” OD and 2-9/32” ID. Dimensions may slightly vary due to slight variations in the manufacturing process.

Easy to Install and Easy to Remove

The rigid rubber coupler seals tightly around the reducer for excellent airflow. Easy to install and easy to remove. As with most all other dust collection fittings, it’s always a good idea to have extra on hand for when you need it. It’s always better to have it and not need it than it is to need it and not have it. The coupler measures: 4-5/16" OD and 4” ID. Height: 2-3/4"

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4 inch to 2-1/2 inch Reducer

with 4 inch Flexible Cuff Rubber Coupler

Reducing a 4 inch dust port on your machinery has never been easier! With our 4 inch to 2-1/2 inch hose reducer fitting and rubber coupler you can connect a 2-1/2 inch hose directly to a 4” port on machines like band saws, table saws, large planers and more.

Reduce 4" Ports on Machinery Down to a 2-1/2" Hose Size

This convenient combo pack is designed to accept most standard size 4 inch dust collection fittings such as Y’s, T’s, Elbows, Blast gates, Dust ports and other standard size 4 inch dust collection fittings.

Designed to Accept Most Standard Size 4 inch Dust Collection Fittings Such as Y’s, T’s and Elbows

This convenient combo pack is designed to accept most standard size 4 inch dust collection fittings such as Y’s, T’s, Elbows, Blast gates, Dust ports and other standard size 4 inch dust collection fittings. Two stainless steel hose clamps help provide a tight seal on the 4 inch end and keep the reducer from falling out. These clamps fit neatly into the slots around the coupler so there is no slipping when tightened. Each clamp has a universal nut that can be tightened with a flat head or a Philips head screwdriver. The nut can also be tightened using an appropriate size socket wrench.

Most Wet/Dry Vacuum Hoses Will Plug Directly In

Most wet/dry vacuum hoses will plug directly into the smaller end of this fitting making it a super value for most professional and us weekend warrior type woodworkers. There are some vacuum units that use different size hoses and hose adaptors so please be sure to measure your hose and machine ports before making a purchasing decision.

Use the Rubber Coupler to Connect Blast Gates to Fittings

The rigid rubber coupler seals tightly around the reducer for excellent airflow. Easy to install and easy to remove. As with most all other dust collection fittings, it’s always a good idea to have extra on hand for when you need it. It’s always better to have it and not need it than it is to need it and not have it. Please Note: Extra coupler, hose, blast gates and T fitting are NOT included.

4" to 2-1/2" Reducer Dimensions

The reducer measures: Nominal 4” end is 3-61/64” OD and 3-43/64” ID; 2-1/2” nominal OD end measures 2-31/64” OD and 2-5/16” ID. Dimensions may slightly vary due to slight variations in the manufacturing process.

Rubber Coupler Dimensions

The coupler measures: 4-5/16" OD and 4” ID. Height: 2-3/4"