That's same Mesh deck as Aromamizer Plus V2 .  

 Aromamizer Ragnar RDTA compatible with it with chamber reducer.

It includes:

1*mesh deck with solid pin

1*squonk pin (for RDA squonking need)

1*tool

2*A1Mesh strips 0.15+-0.03ohm

4*spare clamp springs

2*spare screws

1*user instruction