NPT DM42-3000 4" Non-Skid 0 IN Depth Marker 18' x 33' x 48/52" With its high-flow capacity

With its high-flow capacity

This easy-to-install winter cover comes with a secure fastening system

It prevents leaks in pumps

this cover ensures a secure fit

and water-resistant closed-cell polyethylene foam

NPT DM42-3000 4" Non-Skid 0 IN Depth Marker 18' x 33' x 48/52" With its high-flow capacityThe NPT DM42 3000 4" Non Skid 0 IN Depth Marker is built for clear, bold visibility in any aquatic setting. Designed for durability and traction, its non skid surface ensures reliable footing in wet areas. Ideal for pool decks, spas, and waterparks, this depth marker enhances swimmer safety by clearly indicating water depth. Its crisp, easy to read characters help guide users where its safe to swim or dive. With its vibrant design and permanent