SKU: 62507573415

Human EFNA1 (Ephrin-A1) ELISA Kit

$267.75 $297.50
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Description

Human EFNA1 (Ephrin-A1) ELISA KitThe Human (EFNA1) Ephrin A1 ELISA Kit measures Ephrin A1 in samples. The plate has been pre coated with Human EFNA1 antibody. EFNA1 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human EFNA1 Antibody is added and binds to EFNA1 in the sample. Then Streptavidin HRP is added and binds to the Biotinylated EFNA1 antibody. After incubation unbound Streptavidin HRP is washed away during a washing step.

The Human (EFNA1) Ephrin-A1 ELISA Kit measures Ephrin-A1 in samples. The plate has been pre-coated with Human EFNA1 antibody. EFNA1 present in the sample is added and binds to antibodies coated on the wells. And then biotinylated Human EFNA1 Antibody is added and binds to EFNA1 in the sample. Then Streptavidin-HRP is added and binds to the Biotinylated EFNA1 antibody. After incubation unbound Streptavidin-HRP is washed away during a washing step. Substrate solution is then added and color develops in proportion to the amount of Human EFNA1. The reaction is terminated by addition of acidic stop solution and absorbance is measured at 450 nm.

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SKU: 62507573415

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4.5 ★★★★★
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Verified Purchase
katsura
Massapequa, US
★★★★★ 5
Perfect fit for 2020 Subaru Outback
Fit my 2020 Subaru Outback perfectly. 5-minute install. Works great. My previous cabin filter was scary to see.
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Reviewed in the United States on December 16, 2025
R
Verified Purchase
Richard Gopen
Boise, US
★★★★★ 5
Good, inexpensive replacement filter
I've used these filters for a couple years (four replacements) on my Subaru Crosstrek, and they seem to do the job well, probably as well as the original. I generally remove and clean them every three months, and replace them every six.
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Reviewed in the United States on May 7, 2026
J
Verified Purchase
Jim Wallace
San Leandro, US
★★★★★ 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
C
Verified Purchase
chad martin
Phoenix, US
★★★★★ 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
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Gram21
Charlottesville, US
★★★★★ 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

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