POWERTEC 70108 4 Inch Blast Gate for Dust Collector, Dust Collection Fittings

Product works as designed no issues good product at a fair price

Didn’t work initially and gave them a one star rating, but contacted the seller and they made it right immediately! Mad it didn’t come in my new Lariat truck as it did in my 2022 model. But Works great now and fits nicely in my 2025 F150 Truck! Customer service was the difference! I’d recommend them without reservation!

I purchased two of these to place on the "Y" adapter at the input of my 2hp dust collector, one to my table saw and the other to move between band saw and other tools. One of these closes completely, but the other won't close completely so the suction to the table saw is diminished to where the overhead dust collection isn't effective. I've tried to clean out the channels of any possible debris with no success. The other is fine, but I'm going to have to replace the one that won't shut all the way.

Good product

used this as a hole in my shed to pass my generator cable. Works great and can be closed when not in use.

Easy peasy! Works like a champ, only suck the line u want, close off other.

I used these when I built my HF dust collection system. For any DIYers or woodworkers, having good dust collection is key to keeping the shop clean. There's more expensive brands but these get the job done. I needed the 4 inch for the larger suction and they have worked great. They aren't heavy duty but so far I haven't had any issues.

I put about 8 of these on tools around my shop to connect them to a jet 1300 CFM did collector. On one of them, the plastic had split apart so the sliding gate would just fall out. I super glued it back together and it was ok. Big problem is that over the next 3-4 weeks they would no longer close all the way. I tried removing trapped dust with a tooth pick but it was too much work and not effective. You can see what happens in the picture. I took one apart so I could see exactly what was going on. Dust will get trapped and the gate won't close fully. If the small opening doesn't bother you then it's fine. With as many tools as I have connected to the system, that opening across all of them is equivalent to a fully open gate so it's not viable. I had to replace them all with gates that go both ways so they don't clog.