Porous Filter

Hello,
I want porous media as one block (five pieces) with various porosity (0.1, 0.2, 0.3, 0.4 and 0.5) as annulus cylinder with the following dimensions:
ID 8cm, OD 16cm, L 50cm.
Air is the fluid that which flow through this porous media.
If can you delivered it, I want to know the price for each one.