Buy DEWALT D27904 12 Gallon Dust Extractor with Automatic Filter CleanDEWALT D27904 12 Gallon Dust Extractor with Automatic Filter Clean Product Description:
- Powerful 9 Amp motor delivers 129 CFM of airflow for maximum suction.
- Automatic Filter Clean delivers a filter pulse every 15 seconds for continuous operations without stopping to clean filter
- Variable Suction controls vacuum's power consumption and amount of suction
- Power Tool Actuation controls the On/Off operations of the vacuum with a power tool
- Twist-Lock hose connection keeps the hose connected to the tank
Customer Reviews
Most helpful customer reviews
3 of 3 people found the following review helpful.
I use this strictly as a wet/dry shop vac - and it works phenomenal
By Barbra Rocheleauwest
For further review see this forum discussion on the unit: Just copy the whole thing and replace the (DOT COM) with .com: [...]So basically it is quiet, powerful, built to last, strong, has an adjusting power gauge so you can put the power ranging from low to high. It has a power cord that is very thick and well built.And a power outlet built into the machine. And lastly it pulsates every 15 seconds to clear the filter.Really really nice!I also suggest before purchasing this (currently on Amazon listed at $487 downloading an app called Price Blink. It will search the internet for the cheapest price. I got it for $399 at toolking.com but they just upped the price to $440 after Christmas. It is still $47 cheaper than Amazon...I also purchased the shop vac accessories for $60. Comes with all the attachments and a Dewalt bag.If I ever get around to it I'll post a YouTube video with it in use. And update this review...There is a shortage of reviews on this product. That is why I suggested the dewalt forum above because it has a lot more info...
2 of 2 people found the following review helpful.Exactly how does automatic filter clean work?
By HMMWV
Automatic filter clean is a realtively new feature in shopvacs (generalized) - I first got it in a wap / alto 12 gal vac from germany which did a video of the vac using its normal filter to suck up an entire bag of portland cement without having to clean the filter. Automatic filter clean kicks in about every 30-60 seconds and you do loose about 50 percent of suction. There are two vane valves inside the filter element designed to periodically use the vac's motor to reverse the airflow of 1/2 of the filter and they alternate halves every time it does a 1 second clean cycle. During this time air is blown backwards through 1/2 of the circular filter pushing dirt that accumulates on it into the solid plastic bin. On the next cycle the other 1/2 of the circle gets blasted with clean air inside blowing dust of it's half into the bucket.Automatic filter cleaning is a great feature, but you will notice upon turnon your vac sounds like a thump thump - thats it cleaning both sides of the filter. While using it, you will notice it will periodically do a clean over long runs. This is normal for an auto filter clean vac. Suction on the pipe will be cut in 1/2 for a second then restore to better than full flow prior to the clean. This process continues until you turn off the vac.On the wap/alto 12 gal commercial they packed an entire 50 lb sac of portland cement into their self clean system - when they opened it up the filter was still white and the bottom was 50 lbs heavier. I use these types of vacs in my shops because they cut down human time to clean the filter which is a cost savings to me in the long run.
2 of 2 people found the following review helpful.BEST dust collector I've seen!
By Adam W
This dust extractor is the best there is for what I need it for! I have it coupled to a dust deputy cyclone, using 2.5" hose to all my woodworking equipment. As soon as I received this item, I HAD to test it with my 13" planer. I put it on approx 1/4 the total suction it offers, I run the power strip with all the tools plugged to it through the vacuum plug with automatic on/off feature. It works SO good! The planer puts out some serious debris, and it has 36ft of hose between them, and it works flawlessly. The automatic filter clean option is quite loud, but I wouldn't be without it! The dust deputy consumes 95% of the debris, but with the filter clean feature, & the 12 gallon tub, it can go for quite a while. I have tried it on the highest available suction, and it will suck large nails at the planer connection hose that is 36ft away! Can't say enough good things about this tool!
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