Dimensions L x W x H: 4.24 x 3.36 x 0.79 inches Compatible with David Clark GA general aviation pilot headsets, models like H10-60 H10-20 H10-13.4 H10-76 H10-30 H10-13S and other models which is with same pattern and size (NO for H20-10). They are also suitable for Pilot USA, SkyLite, Flightcom, CRAZEDpilot CP-1, CP-1ANR, Howard Leight, Rugged, Faro, ASA etc. Headsets. Superior comfort, good sealing and cooling. Easy to replace and install. Pdflie Gel Ear Pads Ear Seals for David Clark H10 Series, ATH-50x, Rugged, Faro, ASA Telex 25xt Pilot Aviation Headset (1Pair)