4" x 12" .015 Galvanized Exhaust Flex Hose G15-412

4" x 12" 304 Stainless Steel Flex Exhaust Hose SF-412

4" x 12" Galvanized Flex Pipe Kit 2 Clamps Included FK-412G

4" x 12" Stainless Steel Flex Pipe Kit with Clamps FK-412SS

4" x 12" Westfalia 304 Stainless Steel Triple-S Exhaust Flex WFF-412

4" x 120" .015 Galvanized Exhaust Flex Hose G15-4120

4" x 120" .018 304 Stainless Steel Flex Exhaust Hose SF-4120

4" x 120" 409 Stainless Steel Flex Exhaust Hose S49-4120

4" x 15" Westfalia 304 Stainless Steel Triple-S Exhaust Flex WFF-415

4" x 18" .015 Galvanized Exhaust Flex Hose G15-418

4" x 18" 304 Stainless Steel Flex Exhaust Hose SF-418

4" x 18" 409 Stainless Steel Flex Exhaust Hose S49-418

4" x 18" Galvanized Flex Pipe Kit 2 Clamps Included FK-418G

4" x 18" Stainless Steel Flex Pipe Kit 2 Clamps Included FK-418SS

4" x 18" Westfalia 304 Stainless Steel Triple-S Exhaust Flex WFF-418

4" x 24" .015 Galvanized Exhaust Flex Hose G15-424

4" x 24" 304 Stainless Steel Flex Exhaust Hose SF-424

4" x 24" 409 Stainless Steel Flex Exhaust Hose S49-424

4" x 24" Galvanized Flex Pipe Kit 2 Clamps Included FK-424G

4" x 24" Stainless Steel Flex Pipe Kit 2 Clamps Included FK-424SS

4" x 25 feet .018" Galvanized Exhaust Flex Hose G18-4300

4" x 25' 409 Stainless Steel Flex Exhaust Hose S49-4300

4" x 300" .015 Galvanized Exhaust Flex Hose G15-4300

4" x 300" 304 Stainless Steel Flex Exhaust Hose SF-4300

4" x 36" .015 Galvanized Exhaust Flex Hose G15-436

4" x 36" 304 Stainless Steel Flex Exhaust Hose SF-436

4" x 36" 409 Stainless Steel Flex Exhaust Hose S49-436

4" x 36" Galvanized Flex Pipe Kit 2 Clamps Included FK-436G

4" x 36" Stainless Steel Flex Pipe Kit 2 Clamps Included FK-436SS

4" x 48" .015 Galvanized Exhaust Flex Hose G15-448

4" x 48" 304 Stainless Steel Flex Exhaust Hose SF-448