The lockable cap and adapter are designed for installation on the O.D. of a 4 in. schedule 40 or 80 PVC well casing. Serrated adapter will not come off once pushed onto the well casing. Cap threads onto adapter for a watertight seal.
- Easy to Install
- "Test Well" Cast into Cap
- Size: 4 in.
- Cap: Aluminum
- Body: Brass
- Gasket: Nitrile Rubber
- MO178XA0400AC: Serrated adapter body that will not come off once pushed onto the well casing
- MO178XB0400AC: Threads onto threaded well screen