Size Gallons / Liters Perimeter 14' x 28' - 42" Wall 8,900 / 33,700 72' 14' x 28' - 48" Wall 8,900 / 33,700 72' 16' x 32' - 42" Wall 12,300 / 46,600 85' 16' x 32' - 48" Wall 12,300 / 46,600 85' 18' x 36' - 42" Wall 18,500 / 70,000 94' 18' x 36' - 48" Wall 18,500 / 70,000 94' 20' x 40' - 42" Wall 23,300 / 88,200 107' 20' x 40' - 48" Wall 23,300 / 88,200 107'