The ABS-SLF-19 from ABS Technics is a Microwave Absorber with Frequency DC to 3.5 GHz, Attenuation -17dB@> 3.5 GHz(Reflectivity level), Power 0.15 W/cm², Thickness 0.74 Inch / 19 mm, Thickness 0.74 Inch. Tags: Foam Absorber, Laminated Absorber. More details for ABS-SLF-19 can be seen below.