As an Amazon Associate, we earn from qualifying purchases. Myron L FS4 Optional Flow Switch from Cole-Parmer Myron L . FS4 Gallery Attributes Brand name, Manufacturer name, ManufacturerMyron L Extra Product NameMyron L FS4 Optional Flow Switch from Cole-Parmer extendedQtyUsually Ships in 3 Days moq, multiple1 MPNFS4 qtyInStock-2 qtySourcefixQty SKU1901036 Distributor offers SellerSKUMOQIn stockMultiplePrices Cole-Parmer19010361-21