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Tjernlund M-6 Inline Duct Booster Fan, Hydroponic Blower Heat Air Conditioning Vent Exhaust, 460 CFM, 6"

4.5 4.5 out of 5 stars 679 ratings

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6"

Purchase options and add-ons

  • 6 Inches, 460 CFM
  • Includes mounting brackets and hardware
  • Great for exhausting high-moisture areas
  • Low noise and power usage
  • Fan is speed controllable, (speed control device not included)

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Package Dimensions ‏ : ‎ 15.39 x 14.09 x 11.3 inches; 0.16 ounces
  • Item model number ‏ : ‎ M-6
  • Date First Available ‏ : ‎ June 23, 2009
  • Manufacturer ‏ : ‎ Tjernlund
  • ASIN ‏ : ‎ B005XNNYMU
  • Customer Reviews:
    4.5 4.5 out of 5 stars 679 ratings

Product Description

Versatile and durable the M-Series exhaust fans feature high pressure air handling performance with low noise and extremely low power usage. M-series fans are ideal for long runs or air supply and exhaust applications requiring exacting performance. Use them as super quiet bathroom/spa exhausters to eliminate fogged mirrors and lingering odors. They also work great for exhausting high moisture areas such as grow rooms or sub-slab radon gas mitigation. All models come with standard power cord.


From the manufacturer

Tjernlund Products

About Tjernlund

Founded in 1938 by Emil Tjernlund and his son Robert, Tjernlund Products remains a family-owned business, now under the leadership of Emil's grandsons. For four generations, the company has upheld its mission of providing expertly engineered and manufactured solutions for exhaust, ventilation, and heating/cooling challenges.

M-4

M-Series

Great for exhausting high-moisture areas

Versatile and durable Tjernlund M-Series exhaust fans feature high pressure air handling performance with low noise and extremely low power usage. M-Series inline fans are ideal for long runs or air supply and exhaust applications requiring exacting performance. Use them as super quiet bathroom/spa exhausters to eliminate fogged mirrors and lingering odors. They also work great for exhausting high moisture areas such as hydroponics grow rooms or for sub-slab radon gas mitigation. All models come with standard power cord.

Pair with our other products

  • Tjernlund SCP Plug-in Fan Speed Control
  • Tjernlund PS1503P
M-4

M-4

Great for bathroom exhaust, radon and clothes dryers.

M-4

m-6

m-8

What's in the box

  • exhaust fan, corded with mounting bracket attached
  • Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    679 global ratings

    Customers say

    Customers like the performance, quality and air flow of the electric fan. For example, they mention that it works great, is well made and heavy duty. That said, some like the ease of installation, and temperature. Opinions are mixed on noise and bracket.

    AI-generated from the text of customer reviews

    165 customers mention153 positive12 negative

    Customers are satisfied with the performance of the fan. They mention that it works great, moves the air, and is a great value for the price. Some say that it's a good fan for venting a basement and getting rid of musty smells. Overall, most are happy with the quality and performance of this fan.

    "...As it turns out, yes and no.This guy performs so well that adding it to a single 15 foot run/one register outlet is a waste...and it..." Read more

    "...As above, our application involves over 100 feet of 8" duct and it works perfectly...." Read more

    "...n't have much to compare this too, I am very happy with the price, performance and quality of this fan for how I am using it...." Read more

    "...130 degrees through the unit for hours day-after-day with no problems to the motor, housing, or bearings." Read more

    154 customers mention144 positive10 negative

    Customers are satisfied with the quality of the fan. They mention that it is surprisingly well made, high quality, and heavy duty. The fan is easy to install, has a nice beefy motor and housing, and a heavy duty metal rotor. The construction is long-lasting, and it has pigtail attached and sturdiness mounting bracket.

    "...Very good quality, a nice bump in air delivery and stone cold quiet.As they say with blowers, one good tjern deserves another...." Read more

    "...Comes with a power pigtail attached, and a sturdy mounting bracket. We mounted it on heavy rubber grommets with 3/8" bolts...." Read more

    "...to compare this too, I am very happy with the price, performance and quality of this fan for how I am using it...." Read more

    "Very good fan...." Read more

    124 customers mention110 positive14 negative

    Customers like the air flow of the fan. They say it moves lots of air, has enough flow to push the air, and provides enough circulation. Some customers also mention that the airflow/suction is excellent and that it completely solved their airflow problems.

    "...Very good quality, a nice bump in air delivery and stone cold quiet.As they say with blowers, one good tjern deserves another...." Read more

    "...Both on suction and pressure side it moves a tremendous amount of air. Comes with a power pigtail attached, and a sturdy mounting bracket...." Read more

    "...the fan to move air through my 120sqft band room and it moves the air very well. The fan is outside the room so noise is not an issue at all...." Read more

    "...Air flow/suction is excellent. Noise level is acceptable if insulated kevlar flex ducts are used (metal ducts transfer noise more readily)...." Read more

    42 customers mention42 positive0 negative

    Customers appreciate the value of the fan. They say it's the best money they've ever spent, works perfectly for much less money, and is well worth the effort.

    "Although I don't have much to compare this too, I am very happy with the price, performance and quality of this fan for how I am using it...." Read more

    "...Absolutely the best money I've ever spent...." Read more

    "...Voila! For the reasonable price of the duct fan, I doubled the rate of air flow from the bathroom...." Read more

    "...Great buy, better then any other in-line booster at 6" and will pull air with any 8" fan. Impellers are the way to go when moving air." Read more

    41 customers mention31 positive10 negative

    Customers find the installation of the electric fan to be easy. They mention that the fan comes ready to mount, with a simple metal bracket. Some say that the installation is not difficult, but it may require help from an electrician. Overall, most are satisfied with the ease of installation.

    "...Works perfectly, very simple. Finally, I also installed their birdcage blower downstairs in a duct that feeds the MBR...." Read more

    "...Not difficult to do, just get help from an electrician or someone knowledgeable on home wiring...." Read more

    "...It arrived well packaged and on time. Installation was a simple task...." Read more

    "...-Exhaust flange is short and TAPERED which makes it very difficult to attach anything to it with foil tape and zipties...." Read more

    24 customers mention19 positive5 negative

    Customers like the temperature of the fan. They say it allows spot heating and cooling for trouble spots, runs cool, and is great for forced air cooling. Some say it decreases the room temperature by 10 degrees in the summer and provides uniform temperatures throughout the house. They also mention that it withstands Las Vegas heat and is quiet. Overall, most are happy with the temperature control of the product.

    "...Now I am able to cool off the bedrooms with ease. Absolutely the best money I've ever spent...." Read more

    "...Both are still impressive overall. Longevity and tolerance to overheating are untested at this point...." Read more

    "...purpose and there is excellent air circulation with uniform temperatures throughout the house...." Read more

    "...It handles AC fine and heat, without this booster my upper floor would have been an oven in the summer...." Read more

    208 customers mention135 positive73 negative

    Customers are mixed about the noise of the electric fan. Some mention that it runs quietly, making only the sound of moving air. However, others say that it is rather loud and makes a wobble noise.

    "...Very good quality, a nice bump in air delivery and stone cold quiet.As they say with blowers, one good tjern deserves another...." Read more

    "...The noise from the fan is the air movement. There is virtually no mechanical noise from the unit...." Read more

    "...moving, I'd say it isn't that loud when you are next to it, it does of make noise of course but I wouldn't say it's excessive considering the work it..." Read more

    "...Vibration is very low, noise is very low...." Read more

    12 customers mention6 positive6 negative

    Customers are mixed about the bracket. Some mention that it's sufficient for purpose, while others say that it doesn't hold it as rigidly as they would have liked. The bracket is made of good metal construction and solid, while the duct work is directly mounted. However, some customers say that the bracket is a little weak and takes a lot of skill to install. The hanging bracket is inconvenient.

    "...This unit is so well balanced, the duct work is directly mounted...." Read more

    "...studs (made of plastic melded onto the metal crown) appeared not to be properly anchored and allowed one of the plastic blades to eventually bend..." Read more

    "Was easy to install and the fan I got came with mounting hardware and a strip of adhesive foam rubber to make the seals around the openings nice and..." Read more

    "...The mounting bracket doesn't hold it as rigidly as I would have liked, but it gets sturdy enough once connected up to rigid ductwork...." Read more

    Love it in my attic.
    5 Stars
    Love it in my attic.
    Using this to move air to my second floor from the first floor to avoid installing a second HVAC unit upstairs. Working great so far.Pros:-Exhaust end is VERY quiet once you put flex duct on it, and the intake end is also quiet with the same flex duct-No vibrations at full speed-Moves loads of air-Doesn't slide around even without being bolted downCons:-Short cord, roughly 5-6ft-Intake end is a little noisy after installing an air filter at the return grille-Intake flange is so short that I'm afraid the foil tape might break loose and rip the flex duct apart as it's sucked in, but the zipties seem to be holding up well-Exhaust flange is short and TAPERED which makes it very difficult to attach anything to it with foil tape and zipties. It wants to blow the flex duct right off of it. This end would be better suited for metal duct that's been attached with screws in the current design. It would be much better if it were not tapered, and enlongated to 4 inches.I was afraid to bolt it into the wood because of a resonating effect. There's a huge difference in noise between holding it up and placing it on the floor. I cut maybe 70% of the noise just by placing it on a piece of scrap carpet, and at the same time, it's not moving anywhere. I marked the floor to be sure. No change in position after 24 hours.I used a fan speed controller to tone it down by about 20% - full speed was too much for my 12"x12" register vent. Poor thing was shaking and whistling like a runaway train.
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