The EnviroCare 3 Replacement Vacuum Bags are specifically designed for Modern Day 12 Gallon Central Vacuums, with a compatible model number of MD814L. These disposable bags come in a pack of 3, making them a convenient and efficient choice for keeping your home clean and free of dust and debris. The brand EnviroCare ensures high quality and reliability in capturing and trapping allergens and particles, making them a trusted option for maintaining a healthy environment in your household.