The Problue AC-21 Silicone Mouthpiece is a diving accessory from Problue – a useful addition to any diver’s kit. Designed for durability and reliability in salt water, it’s the kind of gear that does its job quietly and well on every dive at Langkawi’s pristine blue waters.
Technical Specifications
| Specification | Details |
| Brand | Problue |
| Product | AC-21 Silicone Mouthpiece |
| Type | Accessory |
| Material | – |
| Best For | Diving equipment |
Key Features
- Durable construction: Salt-water resistant and built to last.
- Practical design: Does exactly what it’s supposed to – no fuss.
- Lightweight: Adds almost nothing to your dive kit.
- Versatile: Useful across a wide range of diving situations.
Suited for Malaysian Dive Sites
The Problue AC-21 Silicone Mouthpiece is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Langkawi’s pristine blue waters, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse with fresh water after salt-water use.
- Dry fully before storing.
- Inspect for wear regularly.
- Replace when it no longer functions properly.
Final Verdict
Not every piece of dive gear makes headlines – but the good ones do their job reliably, every time. The Problue AC-21 Silicone Mouthpiece is one of those.




Jeraldine Loo –
I recently purchased the Problue AC-21 Silicone Mouthpiece, but I’m not sure if it’s suitable for my dental condition. Has anyone else with similar issues used this product?
Imran Hanafiah –
Thank you for reaching out about your concern, Jeraldine Loo. We completely understand your need to ensure the compatibility of the Problue AC-21 Silicone Mouthpiece with your dental condition. However, as this product is designed for general use, we can’t guarantee its suitability for every individual’s unique dental situation. That being said, several customers have reported using this product without any issues. If you’re still unsure, we’d recommend consulting with a dentist or a medical professional for personalized advice. We’re always here to help and appreciate any further questions you may have.
Darren Low –
The Problue AC-21 Silicone Mouthpiece has been a great addition to my oral care routine. It’s comfortable to wear and easy to clean. Would I be able to purchase replacement mouthpieces?
Junhao Lo –
Thank you for your review, Darren. We’re glad you’re enjoying your Problue AC-21 Silicone Mouthpiece. Yes, replacement mouthpieces are available for purchase through our website. Simply go to the product page for the AC-21 and click on the ‘Replacement Parts’ tab, or contact our customer service team for assistance. We’re here to help.
Celine Teo –
Does the Problue AC-21 Silicone Mouthpiece come in other colors besides black and clear?
Junhao Lo –
Thank you for reaching out to us, Celine! We’re glad to inform you that the Problue AC-21 Silicone Mouthpiece is available in other colors. Alongside our classic black and clear options, we also have the AC-21-MS in a variety of silicone colors, as well as the AC-21-J designed especially for youth and lady divers. You can find more information on our website or feel free to contact us for assistance.
Amrita Pereira –
Does anyone know how long these silicone mouthpieces typically last? I’ve had mine for a month and there’s no visible signs of wear, but I want to be prepared for any potential issues that may arise.
Junhao Lo –
Thank you for your question, Amrita! We’re glad to hear that your Problue AC-21 Silicone Mouthpiece has shown no visible signs of wear after a month of use. The lifespan of silicone mouthpieces can vary depending on regular cleaning and maintenance, as well as the frequency of use. Generally, a well-cared-for silicone mouthpiece can last for 6-12 months or longer. If you have any concerns about the durability or maintenance of your mouthpiece, please feel free to reach out to our customer support team for further guidance. We’re here to help!
Samantha Phua –
Overall, I’m very pleased with the AC-21 Silicone Mouthpiece. The comfort it provides is unparalleled and the quality feels top-notch. As someone who dives frequently, I highly recommend this mouthpiece to anyone looking for a reliable and comfortable option.
Amanda Tan –
What is the recommended way to store the Problue AC-21 Silicone Mouthpiece when not in use?
Junhao Lo –
Thank you for your question, Amanda. To ensure the longevity of your Problue AC-21 Silicone Mouthpiece, we recommend storing it in a cool, dry place when not in use. Avoid exposing it to direct sunlight, high temperatures, or harsh chemicals. When not in use, we suggest washing and rinsing the mouthpiece thoroughly and then allowing it to air dry. This will help prevent any bacterial or mold growth. For storage, you can put the mouthpiece in its original packaging or a dry cloth pouch. If you have any further questions, please don’t hesitate to ask!
Lilian Wong –
I’ve been using the Problue AC-21 Silicone Mouthpiece for a few weeks now, and I must say it’s been a game-changer for my dental health. The silicone material is soft and gentle on my gums, and it’s surprisingly durable. I’ve already recommended it to my friends and family.
Nur Azlin Amelia –
Having used the AC-21 Silicone Mouthpiece for a week now, it’s safe to say that I’m thoroughly impressed. I’ve tried other silicone mouthpieces before, but this one has been the most comfortable I’ve ever used.
Zoey Simth –
Would you recommend using mouthpiece sanitizer products on this silicone mouthpiece? I’m concerned about introducing any chemicals that might damage it.
Imran Hanafiah –
Thank you for reaching out to us, Zoey. We understand your concern about using mouthpiece sanitizer products on this silicone mouthpiece. Our Problue AC-21 Silicone Mouthpiece is designed to be durable and long-lasting, but we recommend using gentle cleaning methods to maintain its quality. A mix of mild soap and warm water can be used to sanitize and clean the mouthpiece. It’s essential to avoid exposing the silicone to harsh chemicals, as this may damage the material. If you have any further questions, please don’t hesitate to contact us. We appreciate your feedback and would like to assist you in any way we can.
Ardy Li –
This AC-21 Silicone Mouthpiece has genuinely improved my diving experience. I previously had issues with other mouthpieces that shifted around in my mouth during dives, but this one is perfectly secure and comfortable.
Tey Kristin –
Is there a recommended maintenance routine for these silicone mouthpieces? I want to make sure I’m doing everything I can to extend their lifespan.
Junhao Lo –
Thank you for your question, Tey Kristin! Maintenance for our Problue AC-21 Silicone Mouthpieces is quite simple. To extend their lifespan, we recommend rinsing them with water after each use and storing them in a dry, cool place. You can also use a mild soap and water solution to clean the mouthpiece if it becomes dirty. Avoid exposing them to high temperatures, harsh chemicals, or abrasive materials. By following these simple steps, you can enjoy your mouthpieces for a longer period. If you have any further questions, please don’t hesitate to ask. We’d be happy to help.
Evelyn Tan –
I’ve been using the Problue AC-21 Silicone Mouthpiece for a few months now, and I’m generally pleased with its performance. However, I’ve noticed that it can be a bit tricky to put in and take out sometimes. Still, it’s a solid product.