POWERTEC 70333 Dust Collector Bag, 21" x 31", 1 Micron Filter, For JET, Grizzly, Shop Fox, Wen, Harbor Freight, and POWERTEC DC-1512

Arrived in 2 days I think ... I just purchased a 2 hp Harbor Freight (5 micron) dust collector to replace my 1 hp Grizzly. I was concerned about the fit and how performance might be affected going from 5 microns to 1 micron filtering. Fit was fine. The bag seems much thicker than the standard HF bag. Good quality too. re: CFM / suction, I did a very unscientific test by seeing how effective an open, horizontal pipe would hold a package of sandpaper. With the 5 cfm bag, it would barely hold the package with 3 sheets. With the 1 micron it also barely held the same package of 3 sheets. Neither would hold 4 sheets and easily held 2 sheets. So, for me, not a lot of difference in suction / cfm. I was happy with that. How's that for hillbilly testing? ;-) See photos.

This filter fits my Harbor Freight Central Machinery, 35-gallon dust collector. It is thick and well-made. I can't attest to how small dust particles it can filter out, but it seems to work well in my shop. It is easy to install and can be pressed down when not in use to save space.

I purchased a Harbor Freight dust collector for my shop, and while it does a good job of keeping dust down, the really small stuff would get through the bag. Turning on the collector sent a large puff of fine dust into the air. This bag has really minimized the fine dust. It was easy to install - it's just a bit larger than the original one, but only in height - the circumference is a perfect match. This bag is stiffer, so it stands up - which is good since the bag hook on the collector is kind of useless with the height of this bag. I may add a shop air filter as well to really clean it up, but this has made a great improvement.

It fit well, a little thicker than original filter, used old clamp over, took my time (not long) to a line up and when turned off the bag is held up by Harbor Freight hook. On my set up I can hear a different tone when running, this is no big deal it works good.

While it will fit on a HF 2hp dust collector, the bag is thicker than the stock 5 mil bag so the metal band holding it on will be stretched to the max and likely need a pliers to stretch the spring. It works great.

These are very durable bags and filter those fine particles extremely well. It is manufacture with heavy materials and stitching.

Fit and filtaration much better than what came on the ShopFox. It was worth the money.

I'm a professional woodworker. This bag replaces a 20 year old fine particle dust bag which filtered almost all dust out. This new bag is just as effective if not more so. The bag is on a 1600 CFM single bag collector with a 2 H.P. motor. This new bag is very heavy material, not light weight or cheap and filters out all visible particles. The attachment loops are heavy duty. IT DOES NOT COME WITH A CLAMP BAND. This is an excellent commercial grade bag.

bonne dimension

Works great and keeps dust at a minimum in my shop.

I have hooked this bag directly to a 2" hose connected to my DeWalt planner. Works well, happy with my purchase.

Bonne qualité, s'adapte très bien a mon dépoussiéreur double , King.

Fonctinne bien bonne qualité