NPT DM51-1080 5" Smooth 8 Depth Marker
NPT DM51-1080 5" Smooth 8 Depth Marker
Clear, durable, and easy-to-install depth marker for improved poolside safety and visibility.
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The NPT DM51-1080 5" Smooth 8 Depth Marker is designed to clearly indicate water depth, promoting a safer swimming environment. Its bold and legible design makes it ideal for both public and private pools.
Made with high-quality, smooth-finish materials, this marker withstands constant water exposure and heavy foot traffic. It’s built for longevity and visual clarity.
This depth marker enhances pool safety by showing where diving is and isn’t safe, making it easier for swimmers to assess water levels. It’s an essential for residential, commercial, and recreational aquatic spaces.
Easy to install and clean, it blends seamlessly with your pool design while offering bold visibility. Reliable and professional-grade for daily use.

⭐️⭐️⭐️⭐️⭐️
Customers love the clarity and visibility of the depth marker, even under water and in direct sunlight.
The marker’s smooth and durable finish withstands daily pool traffic and remains vibrant over time.
Users find it easy to install with lasting adhesion, making it a hassle-free solution for pool safety.
Reviewers appreciate its affordable price and professional-grade quality compared to other markers.

- Clear Depth Indication – Displays precise water depth to improve swimmer awareness
- Smooth Finish – High-quality smooth surface for easy cleaning and long-term use
- Durable Construction – Made to resist wear from water, UV exposure, and heavy foot traffic
- Bold Design – High-contrast numbers for maximum visibility in any light
- Commercial Grade – Trusted by public pools, resorts, and aquatic centers
- Easy Installation – Quick to apply and remains securely in place
- Low Maintenance – Stays clean and legible with minimal effort
- Versatile Application – Perfect for both indoor and outdoor pools

- Brand NPT
- Application Pool
- Shipping Dimensions 1 x 6 x 6 inch
- Color White, Black
- Commercial, Residential, or Professional Commercial
- DesignStandard Number
- Each Product Weight 0.7 pound
- Legend 8
- Legend Color Black
- Letter Size 5 inch
- Marker Location Waterline
- Master Carton Quantity 25
- Material Ceramic
- Minimum Sell Quantity 1
- Pallet Quantity 1
- Product Height 5 inch
- Tile Color White
- Tile Surface Smooth
- UPC Code 682384177785

Q: Is the depth marker slip-resistant for wet areas?
A: While it has a smooth finish, it’s not designed as a slip-resistant surface. It's best placed where slip risk is minimal.
Q: Can this be used in saltwater pools?
A: Yes, the materials used are built to withstand both freshwater and saltwater environments.
Q: How do I install the depth marker?
A: Simply clean the surface thoroughly, dry it, and press the marker down firmly. Use an adhesive suited for pool surfaces for best results.


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