Image Wilkerson FRLs R26-Series Standard Regulator Markets Food & Beverage / Pharmaceutical, Steel Processing, Transportation Jump to Section Product Options Related Products Product Options Part Number FRL Size R26-03RG Standard R26-04RG Standard R26-03R Standard R26-04R Standard Related Products Image Wilkerson FRLs B28-Series Standard Filter/Regulator Image Wilkerson FRLs C26-Series Standard Combination Unit Image Wilkerson FRLs F26-Series Standard Airline Filter Image Wilkerson FRLs L26-Series EconOmist® Standard Lubricator