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Sold by: The Pep Boys - Manny, Moe, & Jack

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Master Flow MF-1040 Cyclone High Volume Portable Air Compressor

by Master Flow

316 customer reviews

| 52 answered questions

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Portable air compressor powered by your vehicle's 12-Volt socket
Inflates up to 150 PSI and delivers 30 liters of air per minute
Ideal for cars and standard sized vehicles
Includes integrated pressure gauge, coil hose with inflating nozzle, and storage bag
Can be modified for permanent installation

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Master Flow MF-1040 Cyclone High Volume Portable Air Compressor

Available from these sellers.

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Product Information

Technical Details

Brand

Master Flow

Item Weight

6.2 pounds

Product Dimensions

8.6 x 9.1 x 7.6 inches

Item model number

MF-1040

Manufacturer Part Number

MF1040

Folding

Additional Information

ASIN

B000L9AD2K

Customer Reviews

316 customer reviews

4.2 out of 5 stars

Best Sellers Rank

#34,630 in Automotive (See top 100)
#41 in Home Improvement > Air Tools > Air Compressors > Portable Air Compressors
#1,652 in Home Improvement > Power & Hand Tools > Power Tools

Shipping Weight

6 pounds

Domestic Shipping

Item can be shipped within U.S.

International Shipping

This item is not eligible for international shipping. Learn More

Date First Available

November 22, 2006

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Product Description

The Master Flow MF-1040 is a compact portable air compressor that's powered by your vehicle's 12-Volt socket. It's ideal for roadside tire inflation, inflating boating and sports equipment, and other light duty activities. This air compressor is rated to inflate up to 150 PSI and delivers 30 liters of air per minute. It features an integrated air pressure gauge, a coil hose with screw-on inflating nozzle, and a convenient rubber handle for easy transport. The included cigarette lighter power cord can also be modified for permanent installation. This package also includes a convenient storage bag.

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Customer Questions & Answers

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Customer Reviews

316

4.2 out of 5 stars

5 star		53%
4 star		18%
3 star		9%
2 star		5%
1 star		15%

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Top Customer Reviews

Quick, quiet, but with one major design flaw

ByChris Lon January 18, 2009

This inflator is well designed, works quickly and quietly, and comes in a nice storage bag to stow away in your car. It does have one major design flaw which is the purpose of this mini-review : the screw-on valve adapter. Most inflators come with a quick-release type adapter. This one comes with a screw-on adapter. It's good because it means a secure seal, but it also means that it lets a good 2psi of air back out of your tire every time you unscrew it. The problem is that as you unscrew it, the seal is broken with the valve, but the pin in the valve is still held in so air begins to escape. If you're quick, it lets out about 2psi. If you have large fingers, are elderly, or otherwise slow at manipulating small objects in tight spaces, this could let out up to 10 psi while unscrewing it. This makes the whole inflator questionable because whilst the built-in pressure gauge is bang-on accurate while the hose is attached, it's meaningless once you unscrew the valve adapter and let a bunch of air out. In the end you will find yourself over-inflating your tyres by 2 to 3 psi just to compensate for the screw-on valve adapter. It's a shame because otherwise this is one of the best inflators I've owned.

1111 comments 133 people found this helpful. Was this review helpful to you?YesNo

"Don't Buy This Item!!!"

ByWCoastGuynCAon April 22, 2011

I purchased this unit for emergency use. Had it in the trunk of my car for about three months. My daughter called to tell me she had a flat tire. I drove to where her car was located. Plugged the unit into her cigarette lighter outlet. It ran for about twenty seconds and stopped. It blew the fuse on her lighter (10 amp. I then tried it on my car's lighter outlet (15 amp) which it also blew.

Tried to return the unit to Pep Boys but since I had opened the box and it was beyond thirty days they wouldn't allow me to return it.

Clerk at Pep Boys said they'd had problems with the unit blowing fuses.

33 comments 72 people found this helpful. Was this review helpful to you?YesNo

Air hose split third time used

ByNM bookgirlon August 26, 2008

Was using this to add air to my tires - the third time I used it - the curly yellow air hose split at the top. It has a three year warranty with a company Q Industries that has no phone number. Not sure it is legit. Will try and mail the air hose back with the receipt - but clearly this is not a quality product.

11 comment 36 people found this helpful. Was this review helpful to you?YesNo

Little Air Compressor that Could !!! Wow !

ByJ T.on December 8, 2007

Tires were running low on air during the cold spell and this little compressor came through ! Small and lite weight its just what the doctor ordered. This unit is easy to hook up and operate. Air gage is attached to read while filling. Unit is made of mostly of steel and not plastic. Unit does not walk away when turned on and is extremely quiet. This is a tool and not a TOY !! 10 foot cord plugs into cigar lighter anywhere for ease of use. 16 foot air hose is great. Total of 26 feet from cigar socket. Case is a nice touch! Takes 1 minute to fill tire. 30 liter per minute flow rate. For cars this unit is great ! If you have a RV or truck you may want to upgrade to 1050. Over all I would rate this unit A+++++. J.T.
Master Flow MF-1040 Cyclone High Volume Portable Air Compressor

0Comment 54 people found this helpful. Was this review helpful to you?YesNo

Small but powerful

Byrboy910on November 21, 2007

Verified Purchase

This little air compressor takes up very little space and took me from 28-35psi in 30 seconds for each tire. The carrying case is very handy and fits everything in there without any force. Package came with a tire guage and attachments to inflate bikes and mattrasses. No regrets here; beats waiting in line at gas stations for air.

0Comment 28 people found this helpful. Was this review helpful to you?YesNo

It will not just blow your mind!

ByKaren Odenon April 14, 2011

It will also blow the fuses in your car for the power outlet in which you plug it in. Happened to both my 12V power outlets in my 2011 Hyundai Sonata and my 2004 F-150 XLT.

1010 comments 33 people found this helpful. Was this review helpful to you?YesNo

Quick & Quiet

ByBM34Mon December 23, 2007

First of all I saw this cheaper at a local auto parts store...Damn!
$13 cheaper...Damn again! I am happy to say that this product works very well and is very fast. I really like the coiled air line which makes the reach even longer and adds a professional looking touch to it. There are only two down sides that I see. One is no quick release lever you have to be quick while unscrewing the air connector or you may lose a half pound of air. 12/30 which means that for every 12min of use it needs 30min for motor to cool according to the manual.

Those two downers should not be a real problem considering how quick it inflates! The screw on method takes me back to the days of the old bicycle air pumps....I'm getting quite used to it plus I don't have arthritis in my fingers. If you do I suggest a kind that has quick release.

Ooops! forgot to mention it comes with a handsome carrying bag nice touch!
Also, very sturdy on the ground doesn't jump around like my old one.

0Comment 18 people found this helpful. Was this review helpful to you?YesNo

Blows fuses!

ByAlfred Mikulaon April 4, 2010

I used once before, successfully, but the second time I used it, it blew a 15A fuse in my car! I was able to finish up with a different power adapter, but when I used it in my other car, it blew a 20A fuse! According to product literature, maximum power draw is supposed to be 15A, so it shouldn't have blown either fuse.