Comparison : Item # B31TP-G200150, Threaded Bevel Seat x Plain Bevel Seat with Hex Nut Concentric Reducers
Item # B31TP-G250200, Threaded Bevel Seat x Plain Bevel Seat with Hex Nut Concentric Reducers
Item # B31TP-G300200, Threaded Bevel Seat x Plain Bevel Seat with Hex Nut Concentric Reducers
Item # B31TP-G300250, Threaded Bevel Seat x Plain Bevel Seat with Hex Nut Concentric Reducers
Item # B31TP-G400300, Threaded Bevel Seat x Plain Bevel Seat with Hex Nut Concentric Reducers