The FAS-45 from Sahajanand Laser Technology Limited is a Microwave Absorber with Absorption 15 to 20 dB, Frequency 4.5 to 40 GHz, Thickness 1.77 Inch/45 mm, Thickness 1.77 Inch, Thickness (mm) 45 mm. Tags: Pyramid, Foam Absorber. More details for FAS-45 can be seen below.