Problue AC-37-9 Alert Marker 4 ft
RM96.00
The Problue AC-37-9 Alert Marker 4 ft is a surface marker buoy from Problue – your signal to the boat that you’re coming up. Bright, visible, and easy to inflate, it’s the single most important piece of safety gear you carry on every ascent at Tioman’s diverse coral gardens.
The Problue AC-37-9 Alert Marker 4 ft is a surface marker buoy from Problue – your signal to the boat that you’re coming up. Bright, visible, and easy to inflate, it’s the single most important piece of safety gear you carry on every ascent at Tioman’s diverse coral gardens.
Technical Specifications
| Specification | Details |
| Brand | Problue |
| Product | AC-37-9 Alert Marker 4 ft |
| Size | 1.5m |
| Material | Nylon |
| Inflation | Oral inflator |
| Colour | Orange / Red |
| Best For | Safety ascent / Surface signalling |
Key Features
- Bright orange / red: Visible from the surface – the boat will see you coming up.
- Easy inflation: Oral inflator lets you inflate it at any depth with a single breath.
- Durable nylon: Holds shape and colour after years of use.
- Compact when folded: Fits in a BCD pocket – always with you.
Suited for Malaysian Dive Sites
The Problue AC-37-9 Alert Marker 4 ft is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Tioman’s diverse coral gardens, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse after every use – salt and sand clog the inflator.
- Inflate and deflate a few times while rinsing.
- Dry fully before folding – mildew inside the buoy is a problem.
- Inspect the seam and inflator hose for wear.
Final Verdict
The single most important piece of safety gear you carry on ascent. The Problue AC-37-9 Alert Marker 4 ft is bright, easy to inflate, and reliable – always have one.
| Colour | Red, Orange, Coral |
|---|---|
| Size | S |
| Material | Nylon |
| Skill Level | Advanced |
| Water Type | Saltwater, Freshwater |
12 reviews for Problue AC-37-9 Alert Marker 4 ft
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Zoey Tsang –
With the way the AC-37-9 Alert Marker 4 ft has been helping me to identify the swimming areas, It’d be nice if we could purchase more of the flares in bulk at a cheaper price.
Jacqueline Lai –
Pros: The product worked as expected during my diving trips. I needed to find a suitable flag because my friends preferred this kind of design. The quality is great and durable enough.
Emily Tan –
What materials are used to make this alert marker? Is it resistant to saltwater?
Junhao Lo –
Thank you for reaching out to us, Emily. The Problue AC-37-9 Alert Marker 4 ft is made from a durable float material that is designed to withstand marine environments. While we can’t dive it in deep sea, we do use materials that can resist saltwater corrosion. However, please do note that prolonged exposure to harsh marine conditions may affect its performance. We’ve had great feedback from customers who’ve used this product in coastal areas, but we recommend rinsing it with fresh water regularly to extend its lifespan.
Zoe Kwan –
I’ve been using my old dive flag for a while, I was really happy the new upgrade helped fix a long-existing problem I had with it, but the new product didn’t perfectly meet my expectation since there were some cosmetic differences, still, I’m quite satisfied.
Raymond Tan –
Why has the price increased so much compared to when I bought the AC-37-8 from Problue last year? Is there any upgrade compared to the previous model that makes the price worth the purchase?
Junhao Lo –
Thank you for reaching out about your concerns regarding the price increase of our Problue AC-37-9 Alert Marker 4 ft compared to the previous model, AC-37-8. Here’s some information to help clarify the price difference. The new AC-37-9 model comes with several upgrades and improvements, such as an enhanced floatation system and a more durable design. These upgrades contribute to the increased price. We understand that these changes may affect our customers and we want to assure you that we strive to maintain our high-quality products while keeping prices competitive. If you could share your complete order history, our support team can provide you with a breakdown of the pricing changes you experienced.
Clement Low –
Does this alert marker come with a bag or carrying strap? Would be convenient to carry while diving?
Imran Hanafiah –
Thank you for reaching out, Clement! Our Problue AC-37-9 Alert Marker 4 ft does not come with a carry bag or strap. However, it’s designed to be lightweight and easy to handle, making it convenient for storage and transportation. If you’re looking for a carrying solution, you can consider purchasing a separate accessory or storage bag. I recommend checking our website or contacting our customer support for more information.
Kenny Chua –
I’m not a big fan of the color design – the more subdued color schemes would have been a nice addition. Still a great product though!
Elvin Lim –
I’ve been using this alert marker for diving and it’s been great! The flag holds strong and the float is durable. It’s worth the price!
Rachel Pereira –
The 4 feet dive flag holder & float is sturdy and easy to install. The quality is top-notch and worth every dollar!
Eileen Lim –
I found using the AC-37-9 quite a hassle, especially when I needed to wash the dive flag. I wished they had thought about making it easier to clean when designing this product. Still, I’ll hold on to it for now.
Joshua Yeoh –
What are the material the AC-37-9 Alert Marker 4 ft was made from?
Junhao Lo –
Thank you for reaching out to us, Joshua. The Problue AC-37-9 Alert Marker 4 ft is made from a combination of durable plastic and vinyl materials, designed to withstand various weather conditions. Specifically, the flag and float are made from PVC, a type of plastic, and the rest of the alert marker is made from a high-quality plastic that can resist water and UV rays. We ensure our products’ durability and performance for our customers.
Aiden Wong –
The weight of this alert marker is perfect – not too heavy but stable enough to resist wind and waves. I highly recommend this to divers!