Extension

Suburban 520596 Furnace Vent Extension 7"-9" (NT40/P40)

Suburban 520596 Furnace Vent Extension 7"-9" (NT40/P40) Vent extension kit for Suburban NT40 and P40 models  

Suburban 520973 Furnace Vent Extension Kit (NT/P Series) 3-1/8 to 4-7/8 Inch

Suburban Furnace Vent Extension 520973 (NT/P Series) 3-1/8 to 4-7/8 Inch Compatibility: Suburban NT-24SP/ NT-30SP/ NT-34SP/ P-30S Length (IN): 3-1/8 Inch To 4-7/8 Inch   Kit Includes: Cabinet Back- 101230 Exhaust Extension Tube- 050996...