Comparison : Item # MH858-010, Honeywell Insert Orifice
Item # RS813-010, 1/4 Inch (in) Compression Connection Size Replacement Orifice
Item # RS821-010, 1/4 Inch (in) Tube Size Replacement Orifice
Item # BA715-012, Liquefied Petroleum (LP) Pilot Orifice
Item # BA718-012, Liquefied Petroleum (LP) Pilot Orifice