The ProHydro WD2 is a rugged secure Well dock for 50 mm Bores .
When you need to hang Snap Samplers or only Level Loggers , this is the ideal dock to use
Three point PVC Pipe locking screw mounts
Easy twist off lockable lid
Removeable Well-Dock ring with two position Snap -Sampler dock and one Level logger Hole
Dual O ring seal for PVC and Lid