The AEL-0.25 from Microwave Vision Group is a Microwave Absorber with Absorption 20 dB, Frequency 18 GHz, Thickness 0.25 Inch/6.35 mm, Thickness 0.25 Inch, Thickness (mm) 6.35 mm. Tags: Laminated Absorber. More details for AEL-0.25 can be seen below.