Multiple listings for the same brand and type of part merely indicate different suppliers. Unless otherwise noted, they are the same part.
"Hot Air Tube, Engine Fan Duct To Heat Exchanger"
Fitment: 911 65-77
Hot Air Tube. for Porsche 911, 912
This brand is black.
Engine to heat exchanger; 60mm x 380 mm. Original tan paper/aluminum
Dansk Heater Hose for Porsche 911, 912