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Description
Mueller-Kueps 727 090 DEF/AdBlue Refractometer, (4 in 1 Tester)One tool tests it ALL! Test for proper concentration levels of Diesel Exhaust Fluid (DEF), commonly referred to as AdBlue in Europe. This unit will also test radiator coolant, windshield washer fluid, and battery acid. Features Exceptional value, quality, and versatility Specifications Brand : Mueller Kueps Model : 727 090 Item Weight : 5. 6 ounces Package Dimensions : 6. 9 x 3. 1 x 1. 9 inches Item model number : 727 090
One tool tests it ALL! Test for proper concentration levels of Diesel Exhaust Fluid (DEF), commonly referred to as AdBlue in Europe. This unit will also test radiator coolant, windshield washer fluid, and battery acid.
Features
-
Exceptional value, quality, and versatility
Specifications
Brand : Mueller-Kueps
Model : 727 090
Item Weight : 5.6 ounces
Package Dimensions : 6.9 x 3.1 x 1.9 inches
Item model number : 727 090
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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 904 reviews
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Product Reviews
★★★★★ 5
Nice quality for a good price
Color: Luminous watch black face
Bought this for my boyfriend for Christmas. He loves it! Nice coloring, looks like the pictures. Fits nicely and comfortably once the size was adjusted. He did have some difficulty in sizing it - the little tool provided could’ve been of better quality to make this process easier but it did the job.
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Reviewed in the United States on March 9, 2026
★★★★★ 3
3/5 Stars – Looks far more expensive than it is
Color: Luminous watch black face, Color: Luminous watch black face
The OLEVS 5885 is about what you’d expect from a ~$30 watch, but in a good way. I bought it knowing it wasn’t going to compete with higher-end brands, and with that expectation in mind I’ve actually been pretty impressed.
The biggest standout is the appearance. This watch looks far nicer than its price point would suggest. I get compliments on it fairly regularly from both friends and random people who assume it cost much more than it did. If you’re looking for something stylish on a budget, it definitely delivers in that department.
Functionally, it does its job well enough. It keeps time reliably and hasn’t given me any real issues there. The glass/crystal is also surprisingly durable. I’ve worn this watch quite a bit, and while the rest of the case and bezel have picked up scratches over time, the face itself has held up extremely well.
Another pleasant surprise is the bezel. It’s functional and unidirectional, with strong, clear, tactile clicks. It feels solid and hasn’t loosened up with use.
That said, the cheaper elements do show up if you look closely. The bezel markings are pretty cheap and scratch easily. Also, the small lume marker at the 12:00 position on the bezel fell out during the second week of owning the watch.
Overall though, I’m quite happy with it. For the price, it looks much more high-end than it really is, and I can comfortably use it as an everyday tool watch without worrying about babying it like a luxury piece.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Good cheap watch. Watch band could be better
Color: Luminous watch black face
The timepiece itself is use of decent quality and is perfectly acceptable for everyday use. I'm pretty rough on my watches and this watch fits the bill as I go about my daily routine. It keeps good time and has a good looking face. It seems many have trouble with the watch band sizing. The arrows on the inside of the watch band show the direction the pins should be pushed out. The pins stick out ever so slightly on one side or the other of the watch band giving the band a rough feel. I used a soft nail file and polished the pins smooth. The watch band feels much better afterwards. I would buy it again and recommend the watch to anyone looking for a cheap timepiece.
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Reviewed in the United States on January 21, 2025
★★★★★ 4
OLEVS divers watch in stainless steel
Color: Luminous watch black face
Never owned a divers watch and especially not one
by Olevs. Glad I bought it great quality and price
looks great too.
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Reviewed in the United States on March 5, 2026
★★★★★ 1
unless you are adept at figuring out how to fix things , don't buy.
Color: Luminous watch black face
This watch looks good but it's not easy to remove the links , to make it shorter. Also the clasp broke right away! It was a waste of money for me.
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Reviewed in the United States on March 25, 2025