Alpha Resources Combustion Control for SolidsAftermarket lab consumable from Alpha Resources, cross-referenced to LECO part 501-426.OEM cross-references: LECO 501-426.Specifications Alpha Part Number AR426 Unit of Measure 1LB Commodity / HS Code 3822.19.0000 OEM Cross-Reference OEM Brand OEM Part Number(s) LECO® 501-426 OEM part numbers are provided for cross-reference convenience only and do not imply the product is of OEM origin. All trademarks are the property of their respective owners.Compatible Instruments ELTRA® CHS-580 ELTRA® CHS-580A/HELIOS ELTRA® CS-2000 Gerhardt® Dumatherm LECO® 928 Series LECO® CNS2000 LECO® CR412 LECO® FP2000 LECO® SC123 LECO® SC144 LECO® SC232 LECO® SC32 LECO® SC432 LECO® SC444 LECO® SC632 LECO® SC832 LECO® TRUMAC Velp® NDA701 Velp® NDA702 Documents SDS Archived Certificates of Analysis