Galvanized Evaporative Cooler Flashings and Starter Sections SKU SS14 Please select PLATE WITH 14" COLLAR PLATE WITH 16" COLLAR PLATE WITH 18" COLLAR 13 3/4" X 13 3/4" ADJ FLASHING15 3/4" X 15 3/4" ADJ FLASHING17 3/4" X 17 3/4" ADJ FLASHING19 3/4" X 19 3/4" ADJ FLASHING13 3/4"X13 3/4" SOLID ROOFJACK15 3/4"X15 3/4" FLASHING SOLID17 3/4"X17 3/4" SOLID ROOFJACK19 3/4"X19 3/4" SOLID ROOFJACK Log in to view price