$20 First 2 Cans$10 Each Additional1 Cleaning Every MonthBilled Monthly
$25 First 2 Cans$10 Each Additional1 Cleaning Every 6 WeeksBilled Every 6 Weeks
$30 First 2 Cans$10 Each Additional1 Cleaning Every Other MonthBilled Every other Month
$35 First 2 Cans$10 Each Additional1 Cleaning Every 3 MonthsBilled Quarterly
$60 First 2 Cans$15 Each Additional1 CleaningBilled Once