The MF11-0005-00 from MAST Technologies is a Microwave Absorber with Frequency 5 to 40 GHz, Thickness 1.25 Inch/32.0 mm, Thickness 1.25 Inch, Thickness (mm) 32.0 mm, Operating Temperature -60 Degrees F to 250 Degrees F. Tags: Reticulated Foam Absorber. More details for MF11-0005-00 can be seen below.