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Description
Apera Instruments LabSen 241-3 Professionele pH-combinatie-elektrode voor micro-monsters (> 30 μl), loodvrij glas (meetbereik: 0-14 pH; temperatuurbereik: 0-100 °C)Eigen pH sensortechnologie en materialen uit Zwitserland Speciale cilindrische LabSE sensorpunt voor microvolume (> 30 microliter) Geschikt voor tests in NMR buisjes Duurzaam referentiesysteem dat de stabiliteit van de referentie elektrode verbetert en de levensduur van de elektrode verlengt Over ons: Apera Instruments biedt betrouwbare meetinstrumenten en sensoren voor vloeistofanalyse. Met toonaangevende techniek, uitstekende productkwaliteit en
- Eigen pH-sensortechnologie en materialen uit Zwitserland
- Speciale cilindrische LabSE-sensorpunt voor microvolume (> 30 microliter)
- Geschikt voor tests in NMR-buisjes
- Duurzaam referentiesysteem dat de stabiliteit van de referentie-elektrode verbetert en de levensduur van de elektrode verlengt
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4.9 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then.
They both needed a firm pillow that is not super soft, firm but not achy.
Finally found the perfect one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
★★★★★ 5
It works! Quality pillow.
Size: Standard (1 Count), Color: Original White (Cooling)
This does actually provide a cooling effect, and it's very comfortable! The accompanying literature is helpful too. I believe this to be a quality pillow for the price.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Most comfortable pillow I’ve ever slept on
Size: Queen (1 Count), Color: Crescent White(cooling)
This is the most comfortable pillow I have ever slept on. It doesn't mash down like other pillows. Cradles my neck perfectly plus it’s cool. I broke my neck a couple of years ago and this pillow feels very good and comfortable. Definitely recommend to everyone. Ive used it since May and it’s retained its shape.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back.
Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
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