- Snap Sampler Well Caps are available in 2-inch (5cm) and 4-inch (10cm) sizes and will fit most standard PVC   well casings.

- Snap Sampler Well Caps are made of Delrin, a high-quality thermoplastic polymer—durable, resistant to chlorinated solvents, fuels, grease, ozone, and many other chemical classes.

- The Well Cap base is securely attached with screws to the top of the PVC casing. The attachment screws are covered when the Cap is closed.

- The Well Caps can be securely locked and can’t be pulled off or out like other well caps available on the market.