Features: 100% brand new. 50mm Replacement Earpads for Koss For Porta Pro PP PX100 Headphones. Material: Sponge. Compatible with PX100 II PX80 PC131 Koss Porta Pro PP PX100 Headphones. The outer diameter: 48mm-50mm approx/2". The inner diameter: 29mm approx/1.14". Package List: 10pcs x ear pads .
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