6500-FRD - Fixed Pattern • Square Neck
6550-FRD - Adjustable Pattern • Square Neck
6500IVFRD - Fixed Pattern • Square Neck • Induction Vanes
6505-FRD - Fixed Pattern • Round Neck
6555-FRD - Adjustable Pattern • Round Neck
6505IVFRD - Fixed Pattern • Round Neck • Induction Vanes