Jet JW1044 4-Inch to 2-1/2-Inch Reducer

List Price: $1.90
Our Price: $1.90
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Manufacturer: JET

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Brand: Jet
Manufacturer: JET
Model: JW1044
DteCode: a08

Features
4-inch to 2-1/2-inch reducer allows you to step down from a larger size machine Connects 4-inch line to 2-1/2-inch dust ports Step down increases air velocity where it is needed most Reducer lets you adapt to many machines 2-1/2-by-4-inch outer diameter

Accessories
This Old House (1-year) Building Construction Illustrated

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Editorial Reviews:
Ideal for woodworkers with Shop-Vacs or the equivalent, the Jet 4-Inch to 2-1/2-Inch Reducer allows you to step down from a larger size machine. The reducer connects 4-inch line to 2-1/2-inch dust ports. The step down increases air velocity where it is needed most. With an outer diameter of 2-1/2-by-4-inches, this reducer lets you adapt to many machines.

User Comments about the Jet JW1044 4-Inch to 2-1/2-Inch Reducer

This adapter works great for what it is designed for. Usually the 2 1/2 inch hose will connect to the tool. It is only for changing 4 inch hose to 2 1/2 hose. Not designed to connect directly to a tool or shop vacuums.

it is NOT four inches, but slightly less. this is the exact same size as the tool port I have. The industry needs a better explanation for dust port sizes. it will not fit over , or inside my dust port. As another reviewer said. If it were exactly four inches, it would have worked. This has caused me agravation a few other times on shop vac and other tool dust port sizes.Gene if it were funnel shaped, it would have worked, but it's the exact same size as my dust port.

If I had known that this was included with the Dust Hood I would not have ordered it. It is now in excess of my requirements.

I own the JW1000 adapter and it fits perfectly into/inside my 4" dust collection hose and into/inside my 2 1/2" port on an oscillating spindle sander. There seems to be some confusion/frustration about this item so consider if this is the item you actually need. This product is not designed to go directly from a 2 1/2" dust port to a 4" hose. Delta has an equivalent adapter (Delta P/N 50-482) but I do not own it so I can't recommend for or against it.Consider your application, measure the diameters, and then choose the adapter that fits your need. If that is what you want get the Jet JW1000 4-Inch to 2-1/4-Inch OD 2-Inch ID Reducer2 1/2" dust ports typically have 1/8" thick plastic which creates an interior diameter (ID) of 2 1/4".

I use this almost daily when I swap the dust collector hood next to my lathe for a hose fitting to vacuum up all the chips that went elsewhere. It pops out easily just on the weight of 6' of 2 1/2 in hose. I have a quick connect fitting on the 4" hose to easily swap it from the hood to this reducer. This reducer is such a tight fit that I can barely get it deep enough in the mating fitting to hold.