Boxell Aerospace's Comfort Cup 4DC is a direct replacement ear cup for
David Clark headsets. Fits all models including all ground support
systems and marine with the exception of the H20-10 headset. Constructed
of dual density memory foam and supple synthetics, the Comfort Cup 4DC
will dramatically increase comfort as well as provide passive sound
attenuation compared to the original equipment. Comfort Cup 4DC comes
complete with two Comfort Cups and 4 adhesive rings for your
convenience. All Boxell Aerospace products are made in the U.S.A.