Lay Flat Ducting Showing all 2 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sale! Allegro 9500-500 Lay Flat Ducting | 14″ Diameter | 500′ Long $173.10 Original price was: $173.10.$51.93Current price is: $51.93. Add to cart Sale! Allegro 9600-500 Lay Flat Ducting | 22″ Diameter | 500′ Long $501.73 Original price was: $501.73.$150.52Current price is: $150.52. Add to cart