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Single Lip Nitrile Rotary Shaft Seal (3.938x4.999x0.438 Inch)

Marsoni M251S
Sale price$31.88
Pay 4 payments of $7.97 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Single Lip Nitrile Rotary Shaft Seal (3.938x4.999x0.438 Inch)Acrylonitrile butadiene rubber (NBR) is the material name for nitrile rubber. This material is very good for seals due to its make up. Nitrile rubber can tolerate short term dry running of the sealing lip. The operating temperature range without failure of nitrile rubber is 40 to +100 C. This also offers a special nitrile rubber compound with a temperature range between 55 and +110 C. Please click here for a full in depth look at the range of seals
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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.
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4.0 ★★★★★
Based on 765 reviews
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Verified Purchase
Hillary S.
Omaha, US
★★★★★ 5
Best price on a good product that works
Price and effectiveness of these lozenges if you suffer dry mouth at night makes it a very good buy on Amazon.
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Reviewed in the United States on January 28, 2026
L
Verified Purchase
L. Pederson
Omaha, US
★★★★★ 5
Perfect for dry mouth!
I suffer from extreme dry mouth due to sleep apnea and side effects of medications. I used to gargle with mouthwash made for dry mouth before going to bed but it would wear-off by morning.. I’d awaken with severe cotton mouth! What’s worse is my mouth gets dry during the day when I’m out and can’t gargle. It’s so bad I can barely talk! Thank goodness for these melts!! They are GREAT! They stick easily to your gums or roof of your mouth and stay there! They slowly dissolve over night and I wake up without cotton mouth! I keep some in my purse for daytime. They’re better than lozenges or hard candy because they’re discrete. You don’t want to give a speech and be seen sucking on a candy! I use them so often that I was THRILLED to find them in the 100 quantity bottle at a lower price than I could find anywhere else! Protect your oral health and get these pleasant mint tasting melts for your dry mouth!
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Reviewed in the United States on August 18, 2023
K
Verified Purchase
Kindle Customer
Bozeman, US
★★★★★ 5
No more dry mouth at night!
These stick to your gums and keep your mouth moist all night. This makes it easier for me to sleep. I got them on the recommendation of my dental hygienist and have been getting better checkups since I started using them. It keeps your mouth moist which retards the growth of germs.
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Reviewed in the United States on May 28, 2024
G
Verified Purchase
Graham Muir
Omaha, US
★★★★★ 5
Great product
These are excellent. They work very well and help ensure a good night's sleep without a dry mouth. Ans the taste is good, unlike Berry Smoothie which is absolutely disgusting.
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Reviewed in the United States on December 12, 2024
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Verified Purchase
Zeke
Massapequa, US
★★★★★ 5
Amazing
perfect for dry mouth, stays secure without feeling weird. Great for sleeping, stays in place, not waking up to dry mouth.
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Reviewed in the United States on January 16, 2024

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