O-Ring, PTFEHPLC Replacement Parts, Pump Parts SpecificationsW&B Part #WB100230023Comp. to OEM #09902128Product DetailsO-Ring, PTFECompatibilityBrands (OEMs)ModelsPerkinElmer200 Series, 1, 2, 3, 3B, 4, 10, 250, 400, 410, 620, Int. 4000