Woodstock D4231 2 Inch Quick Coupler Review

I bought this with the intention of connecting my 4" dust collection hose to a port on my band saw. Unfortunately the 4" side is the same size on the hose and the 2 1/2" fitting is the same size as the fitting on the saw. It would be great if I could use my shop vacuum (2 1/2" - hose) to my desktop saw (4 inch connector).

They are more like quick couplers. The slightest jolt and they fall instantly. To hold them in place I used edge tape which is a bit more expensive than a dollar clip so it defeats the whole purpose of getting them. The screw feature for the 2 1/2" end worked fine, but I also had to re-tape them to hold them in place and seal properly. I won't be going with these again.

I had trouble finding adapters that actually fit my tools and shop vacuum. Almost every 4" socket I've tried is the same diameter as the dust port on my tools, meaning it won't fit into the dust port and won't make a connection. This connector has a 4" ID and actually fits in the dust bag of my band saw and planer. The 2 1/2 inch side also fits my shop vacuum well and hasn't given me any problems falling off during use. Many thanks to Woodstock for making an adapter that actually fits and…