Single transparent, single skin high resistance diaphragm (transparent / Tan / skin color optional), double-sided non-woven fabric (perforated film optional), back window, size: 57mm, bag length and width: 266x141mm (± 1.5mm )
Double skin color (transparent / Tan / skin color optional), double-sided non-woven fabric (perforated film optional), back window, clip style, size: 70mm, bag length and width: 297x150mm (± 1.5mm)