D - Ductile Iron (DI) Camlock Coupler Poly-Spring Tubing (PVTWF) Food & Beverage (FBM) Food Hose (FML) White Mill Washdown (WMW) Clear PVC Food Grade Material Hose (WT) Clear PVC Food Grade Material Hose w/ Static Wire (WE) FDA Hot Grease Hose (HGH)