As an Amazon Associate, we earn from qualifying purchases. Home » IHP » J3893 FMI #50 Orifice - NG - J3893 IHP . J3893 Gallery Attributes Brand name, Manufacturer name, ManufacturerIHP Extra Product NameFMI #50 Orifice - NG - J3893 keywordsihp, fmi, firebox, replacement parts, tudor, 50, orifice, 104506-26, J3893 moq, multiple, tierMinQty11 MPN, SKUJ3893 qtyInStock2 snippetReplacement NG #50 orifice for Desa gas fireplaces. OEM FMI part # J3893 tierPrice136.00 Distributor offers SellerSKUMOQIn stockMultiplePrices Stove Parts UnlimitedJ38931211 @ $36.00