Jet JW1044 4-Inch to 2-1/2-Inch Reducer
from: JET
Price: $1.90
Prices subject to change.Availability: Usually ships in 24 hours
Product Description:
Includes 4" to 2-1/2" Reducer - JW1044
Amazon.com Product Description:
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.
Includes 4" to 2-1/2" Reducer - JW1044
Amazon.com Product Description:
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.
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
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Customer Reviews
Average Rating:
Rating: - i "modified" it to work with my dust ports.
i got 2 of these, 1 for my ryobi bt3100 saw, one for a ridgid spindle/belt sander..as others said, the 2" end is exact diameter oftoolport,
since i had 2" pvc piping on hand, i cut a 4"length, then sawed out a 1/4" kerf/slotlengthwise..that lets it flex enough to fit inside the toolport and this adapter,nice and TIGHT. can also use tape for a perfect Tight fit... i may also try fitting the pvc on the OUTside next,since this shrinks the I.D and decreases airflow,marginally i guess...but ... Read More
Rating: 
- Watch what you order
I ordered the Jet band saw - since this was listed as the reducer that went with this band saw - I ordered it - it was only a couple of dollars - so no big deal - but it doesn't even come close to being the one for the band saw.
Rating: - Good as a connector for vacuum hose
This adapter works great for what it is designed for.It is only for changing 4 inch hose to 2 1/2 hose.Not designed to connect directly to a tool or shop vacuums.Usually the 2 1/2 inch hose will connect to the tool.
Rating: - Don't trust the four inch size, get exact ID and OD size
As another reviewer said..... this is the exact same size as the tool port I have.... it is NOT four inches, but slightly less.If it were exactly four inches, it would have worked.... if it were funnel shaped, it would have worked, but it's the exact same size as my dust port.it will not fit over , or inside my dust port.The industry needs a better explanation for dust port sizes.... This has caused me agravation a few other times on shop vac and other tool dust port sizes.
Gene
Rating: 
- 2 1/2" reducer
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 "modified" it to work with my dust ports.i got 2 of these, 1 for my ryobi bt3100 saw, one for a ridgid spindle/belt sander..as others said, the 2" end is exact diameter oftoolport,
since i had 2" pvc piping on hand, i cut a 4"length, then sawed out a 1/4" kerf/slotlengthwise..that lets it flex enough to fit inside the toolport and this adapter,nice and TIGHT. can also use tape for a perfect Tight fit... i may also try fitting the pvc on the OUTside next,since this shrinks the I.D and decreases airflow,marginally i guess...but ... Read More
- Watch what you order I ordered the Jet band saw - since this was listed as the reducer that went with this band saw - I ordered it - it was only a couple of dollars - so no big deal - but it doesn't even come close to being the one for the band saw.
- Good as a connector for vacuum hoseThis adapter works great for what it is designed for.It is only for changing 4 inch hose to 2 1/2 hose.Not designed to connect directly to a tool or shop vacuums.Usually the 2 1/2 inch hose will connect to the tool.
- Don't trust the four inch size, get exact ID and OD sizeAs another reviewer said..... this is the exact same size as the tool port I have.... it is NOT four inches, but slightly less.If it were exactly four inches, it would have worked.... if it were funnel shaped, it would have worked, but it's the exact same size as my dust port.it will not fit over , or inside my dust port.The industry needs a better explanation for dust port sizes.... This has caused me agravation a few other times on shop vac and other tool dust port sizes.
Gene
- 2 1/2" reducerIf 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.
