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Description
AQ77DOTS 3/8 x 1/4 TeeThe AQ77DOTS 3 8 x 1 4 Tee is a DOT approved push to connect fitting designed for air brake and pneumatic systems. It allows for a 3 way connection between tubes and making it ideal for truck and trailer air brake lines, industrial pneumatic systems, and fluid transfer applications. Specifications Details TYPE Tee DESIGN Reducing tee shape connects two airlines to a branch line. MATERIAL Brass for resistance to corrosion, rust, and wear. MATERIAL
The AQ77DOTS 3/8 x 1/4 Tee is a DOT-approved push-to-connect fitting designed for air brake and pneumatic systems. It allows for a 3-way connection between tubes and making it ideal for truck and trailer air brake lines, industrial pneumatic systems, and fluid transfer applications.
|
Specifications |
Details |
| TYPE | Tee |
| DESIGN | Reducing tee shape connects two airlines to a branch line. |
| MATERIAL | Brass for resistance to corrosion, rust, and wear. |
| MATERIAL CONSTRUCTION | Brass |
| WEIGHT (LBS) | 0.315 |
| CONNECTION SIZE 1 | 3/8 |
| CONNECTION SIZE 2 | 3/8" |
| CONNECTION SIZE 3 | 1/4" |
| CONNECTION TYPE | Push-to-Connect|Push-to-Connect|FPT Swivel |
| CONNECTION TYPE 1 | Push-to-Connect |
| CONNECTION TYPE 2 | Push-to-Connect |
| CONNECTION TYPE 3 | Female NPTF Swivel |
| FITTING TYPE | Tee |
|
PRESSURE RATING
|
200 psi |
| TEMPERATURE RATING | -40 to 200 ˚F |
| THREAD SIZE | 1/4 - 18 |
| STANDARD APPROVALS | DOT Approved |
| APPLICATIONS | Ideal for Air Brake & DOT-Approved Pneumatic Systems, Hydraulic Systems, Fuel & Gas Distribution, HVAC & Refrigeration |
| Brand | Midland Industries |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Save some money by doing your own cabin filter change! (You won't notice a difference).
So, one day I was getting an oil change at the dealership, and the associate told me that cabin filter was pretty dirty, which I believed because of the places I take the car, and she said that they could change it while they were finishing up the rest of their inspection, since they already had it apart. I asked her "How much?", and then we both had a laugh when she said "$90." I told her I'd take care of it.
It took two days for Amazon to get a replacement filter to me, twenty minutes to watch a You Tube video showing how to replace the cabin filter on my car (I watched it twice), and then about twenty-five minutes to replace the filter itself--I keep a messy glove compartment, so a good portion of the time was loading and unloading that nightmare.
In the end, under $15 for the filter, maybe 45 minutes to watch and replace, and the cabin filter hasn't been this good since I first bought the car.
This replacement version was as good as the OE filter, fit exactly the same, there's no difference in airflow that I can tell, and so far (6 months later), it seems to be holding up pretty well. We'll see what it is like after a year. I did get the oil changed about a week ago, and the technician didn't raise any alarms about the filter, so everything seems to be working.
$90 for a new filter? You can do it yourself cheaper.
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Reviewed in the United States on April 6, 2026
★★★★★ 4
Fresh Air Upgrade for My 2024 Impreza
Installed this in my 2024 Subaru Impreza, and it fit perfectly—no issues. The air smells noticeably cleaner now, and it took less than 10 minutes to swap out. The carbon and HEPA filtration does a great job clearing out odors, dust, and pollen—definitely an upgrade over the factory filter.
The build feels sturdier than the OEM version, though it does have slightly fewer pleats. Might mean it needs replacing a bit sooner, but for the price and performance, I’m fine with that tradeoff.
If you’re looking for a quick, affordable way to improve your cabin air, this one’s a solid pick.
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Reviewed in the United States on June 26, 2025
★★★★★ 5
Well built, good fit.
I like it so well, I just bought two more to keep on the shelf for when the price doubles. Seems better built than oem, but I don't know how you can judge the filtration; seems good though.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Great product
Perfect fit for 21 Cross Trek
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Good fit, good value
Style: CF12436 Classic, Style: CF12436 Classic
Purchased this filter for my 2023 Outback. First off changing the cabin filter on this model Subaru is amazingly easy and can be done with no tools and no more then 5 minutes. Pictures posted show packaging, the paper "Blue" filter side, the "Black" charcoal side and the foam outer edge. The filter is well made and is very sturdy as the outer shell is plastic vs. other paper filters that are more flexible. Holding the filter in your hand and giving it a slite shake you can hear the activated charcoal within it. After installing the filter I had a few trips in the car, did I notice any difference in the air quality coming into the cabin....... no. But does this mean its not working? also no. What I can say is the filter fit snug and left no gaps, and with the plastic surroundings and foam in sure the filter will not be letting anything get by as it passes through the system. All and all this filter is well made and sturdy, and seems to be a good value with other paper only filters being about the same price.
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Reviewed in the United States on May 4, 2026
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