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Bosch 300 CFM Dust Extractor GAS20-17AH | Pro Tool Reviews

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The Bosch 300 CFM dust collector fills the gap between 125-150 CFM portable vacuum cleaners and 250+ CFM vacuum cleaners, which cost thousands of dollars. This is a smartly designed vacuum system that allows you to run two grinders at once and maintain OSHA compliance. However, this is definitely not everyone's dust collector. The low-cost and 20-amp plug makes it most suitable for commercial and industrial construction projects, rather than smaller residential projects.

The new Bosch 300 CFM dust collector is about to come out, the main topic is 300 CFM

Automatic filter cleaning! Suction at this level provides you with several possibilities that cannot be reached under standard vacuum.

The Bosch 300 CFM dust collector bridges the gap between 125 – 150 CFM portable vacuum cleaners and 250+ CFM vacuum cleaners, which cost thousands of dollars. This is a smartly designed vacuum system that allows you to run two grinders at once and maintain OSHA compliance.

However, this is definitely not everyone's dust collector. The low-cost and 20-amp plug makes it most suitable for commercial and industrial construction projects, rather than smaller residential projects.

First of all, 300 CFM enables you to run a 9-inch grinder on the concrete with room, while the 17-gallon capacity will allow you to work for a long time before emptying it. Remember, you need 25 CFM on every inch of the wheel below

.

It also opens up the ability to use a Y-connector to split the suction and use two tools at the same time. Taking the grinder example again, you can have two people use a pair of 5-inch or 6-inch grinders to wrap the concrete surface treatment to complete the work faster.

However, there is a certain electricity cost to extract this air. The Bosch 300 CFM dust collector requires 17.5 amps of current to operate-therefore, you need to use a 20 amp circuit. The plug is 120V, 20A, so there is no cheating.

Bosch intends to use this model in commercial and industrial sites, and they should have this capability. When you run on a treadmill, you will

No matter what kind of power we hope to gain, the rated CFM will drive OSHA compliance. The rest is just icing on the cake.

Although the manufacturer's specifications for the water lift test are not exactly the same, we conducted a water lift test for a positive comparison.

In our tests, the Bosch 300 CFM dust collector has a pull force of 71.5 inches, which is 4 inches smaller than its 150 CFM model. On our scale, its 2.88-pound pull does not look impressive

Brought more benefits. What's the matter then?

Remember, CFM is the amount of air passing through, and the lift/pull force of water is the size of its pulling force. The 300 CFM model can draw twice as much air with only twice the force of its smaller vacuum.

At the scene, the pulling force is very good. It can easily pull concrete dust, dirt and shavings away from the workshop. It also has enough muscle to get some concrete debris. Basically, if you like

 with

Here you are, this will not disappoint you.

Bosch knows that dumping 17 gallons of dry material is not easy. The steel frame locks the vacuum down, allowing you to pivot the vacuum to drain the vacuum.

You can splash grout on the boots as needed, or use a drain hose. It is attached to the bottom of the container and clipped in the accessory manager on the back. To empty it, just pull the plug on the hose and place it on the ground to allow gravity to work.

If you need to separate the vacuum, you can use the two clips on the back to separate it from the frame without any tools.

The Bosch 300 CFM dust collector is equipped with a HEPA filter, which means you 100% meet the requirements. However, if OSHA allows, by using standard filters, you can get better performance and cheaper filter replacement costs. When running the application, select the appropriate filter for the application to obtain the best cost-effectiveness and performance.

John pointed out that I did not add the noise level, he was correct. With the extension of the hose, the dust collector stood beside and the sound read from my ear reached a reasonable 74 dB(A).

However, the hose will make a difference. Put it in the coil on top of the vacuum and the sound absorption will increase to 92 dB(A).

The retail price is $1499, which is about $250 lower than Hilti's 300 CFM model. The price of VAC090A is US$549, while the price of VAC140A is US$649, both with HEPA filter. You don't need to spend too much math to see that both costs are less than a GAS20-17AH. Then why buy it?

One of the reasons is to reduce the number of field devices. So far, it has been easier to transport and track half the number of dust collectors. This is also easier for your generator. Two of the smaller vacs require a total current of 19 amps, and this one requires 17.5 amps.

But the most important thing is that the cost of buying more than 250 CFM dust collectors can be as high as thousands of dollars, which reduces the price a lot.

The extractor is pre-installed on the steel frame, and the wheels and casters have been installed in place. The package comes with the following:

You can purchase the Y-type adapter for $49 each. It has a stopper at one end, so you can use it alone with full aspiration. If you want to run two tools, make sure to grab the spare hose.

The review was originally published as a preview on October 10, 2018. We have updated it from the first-hand experience of using it.

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Sound level? No mention.

What is a filter?

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