NPT DM51-520 5" Smooth Metric 1.5M Depth Marker 16' x 22' it allows fast and secure

it allows fast and secure installation with multiple bead channel types

making it a must-have for long-term water system health

The Flowkeeper Valve automatically adjusts the water flow

It prevents debris from escaping while keeping your pool water clean and clear

fade-resistant solution for stunning aquatic designs

NPT DM51-520 5" Smooth Metric 1.5M Depth Marker 16' x 22' it allows fast and secureThe NPT DM51 520 5" Smooth Metric 1. 5M Depth Marker is designed for pool safety with clear, easy to read depth indicators. Its built to mark safe diving zones and precise water depth. Made from high quality materials, it resists fading and stands strong against pool chemicals. Its smooth surface allows for easy cleaning and maintenance. The bold, metric numbers are highly visible in all lighting conditions, helping swimmers stay informed and safe.