Image Series 1 FRLs R74-Series Standard Regulator Markets Food & Beverage / Pharmaceutical, Steel Processing, Transportation Jump to Section Product Options Related Products Product Options Part Number FRL Size R74G-3R Standard R74G-4R Standard R74G-6R Standard R74G-3RG Standard R74G-4RG Standard R74G-6RG Standard Related Products Image Series 1 FRLs B74-Series Standard Filter/Regulator Image Series 1 FRLs E74-Series Standard Combination Unit Image Series 1 FRLs F74-Series Standard Airline Filter Image Series 1 FRLs L74-Series Standard Oil-Fog Lubricator