🔧 Woodstock W1037 Reducer: Efficient 5-Inch to 4-Inch Transition for Seamless Woodworking Review

It's a pity that some manufacturers omit such important size information. The wall thickness of the product is so thin that internal stiffeners are required which are not shown or described in the copy. Actual measurements for 5" ID are 4 13/16", OD 4 7/8". With 4 9/16" ID fins. The inside diameter of the 4" side is 3 3/4" and the outside diameter is 3 7/8". This is a very cheap adjustment that requires the specified gain to appear to work adequately. Also, it's too expensive for what it is and

Not recommended for replacement dust conversion. I bought this adapter because Revain recommended it when I bought my Oneida Air Super Dust Vice. Because I was modifying an existing Grizzly 2HP dust collector into Super Dust Vice, I had to downsize the 5" inlet on the duster to a 4" outlet on the Dust Vice. This adapter will not do that. The 5" side of this adapter will not fit the 5" dust collector inlet as it is the same size. Also, this adapter has support ribs inside so it doesn't seal…

Another reviewer had an issue with Revain Bundle: not suitable for my Super Dust Vice. I wouldn't bother with a negative review and would just write it off as two female connectors (where the inside measurement is 5 inches) and you only need a short length of 5 inch pipe to function as a coupler. However, there are small support ribs inside the 5" diameter end that would make it impossible to use the 5" pipe as a coupler and even if you could the ribs would create a gap between the pipe and the