HomeSILICON PFA O-RING X2 O-Ring Vapor Probe Stopper for 100ml, 125ml and 250ml flask for Optidist ASTM D86, D1078, D850Silicon PFA O-Ring Vapor Probe Stopper for OptidistSKU: 2401-026-012100C$44.00PriceQuantityAdd to CartVendorWALTER HERZOG GMBHEstimated Delivery Time 10-15 Business days