The FAS-10 from Sahajanand Laser Technology Limited is a Microwave Absorber with Absorption 13 to 15 dB, Frequency 4.5 to 40 GHz, Thickness 0.39 Inch/10 mm, Thickness 0.39 Inch, Thickness (mm) 10 mm. Tags: Pyramid, Foam Absorber. More details for FAS-10 can be seen below.