O-Ring, silicon PFA, 1210-262 O-Ring Vapor Probe Stopper for 100ml, 125ml and 250ml flask for Optidist D86, D189 and D4530Silicon PFA O-Ring Vapor Probe Stopper for OptidistSKU: 2401-026-012100C$48.00PriceQuantityAdd to CartVendorWALTER HERZOG GMBHEstimated Delivery Time 10-15 Business days