NPT DM51-504 5" Smooth Metric .9M Depth Marker Pool 360 chemical This round-shaped disc is made

This round-shaped disc is made from durable plastic

and temperature for optimal pool chlorination

giving you confidence in its performance and reliability

Its secure fit and reinforced edges keep it in place

ensuring consistent water temperature and year-round comfort

NPT DM51-504 5" Smooth Metric .9M Depth Marker Pool 360 chemical This round-shaped disc is madeThe NPT DM51 504 5" Smooth Metric . 9M Depth Marker is designed for clarity and durability in aquatic environments. This metric depth marker is ideal for helping swimmers identify water depth safely. It features a smooth finish that ensures a clean and professional look at poolside locations. Easy to install, it adheres well to most surfaces for long lasting performance. Perfect for commercial and residential pools, this 5" size offers clear