It is designed with one end having anti rotation Latch in Profile to lock in latch in the profile provided in float collar. The Top Latch down plug consists of screw in latch-down baffle plate and top-plug. The plug features an O-ring seal on the nose. It also prevents flow back. These are PDC drillable.
The plugs are available in 2-3/8” to 4-1/2” size.