Type A Adapters are typically used with Type D Couplers, but can also be used with Type B and C Couplers or DC (Dust Cap) of the same size.

Type B Couplers are typically used with Type F Adapters but can also be used with Type A and E Adapters and DP (Dust Plug) of the same size.

Type C Couplers are typically used with Type E Adapters but can also be used with Type A and F Adapters and DP (Dust Plug) of the same size.

Type D Couplers are typically used with Type A Adapters but can also be used with Type E and F Adapters and DP (Dust Plug) of the same size.

Type E Adapters are typically used with Type C Couplers, but can also be used with Type B and D Couplers or DC (Dust Cap) of the same size.

Type F Adapters are typically used with Type B Couplers, but can also be used with Type C and D Couplers or DC (Dust Cap) of the same size.

Dust Caps are used with type A, E and F Adaptors to seal the end of the connection.

Dust Plugs are used with Type B, C and D Couplers to seal the end of the connection.