- Brand:Ā RinnaiĀ®Domestic/Import:Ā ImportMaterial:Ā Aluminum/PlasticSpecifications:Ā 21 inSuitable For Use With:Ā Luxury/Value Series Tankless Water Heater
- Aluminum inner exhaust and plastic outer intake
- RinnaiĀ® Universal Horizontal Termination Kit, For Use With: Luxury/Value Series Tankless Water Heater, 21 in, Aluminum/Plastic, Import