2 Aftermarket Fit JBL LE-5 Speaker Teflon Gasket Washer, Fit L-100 4311, 4312
2 Aftermarket Fit JBL LE-5 Speaker Teflon Gasket Washer, Fit L-100 4311, 4312. You'll receive two of these for your vintage studio monitors. They are very flat and will seal the midrange compartment very tight.