EnviroCare Replacement Vacuum Bags for Modern Day 8 Gallon Central Vacuums 9 Pack EnviroCare Replacement Vacuum bags designed to fit MD Modern Day 8 gallon 720H-5, 720-5 Allergen Style Central Vacuum System Bag Flomaster, Silent Master, AirFlo, Brute, PowerKing (Pow-R-King), Sequioa, Star, StorVac, Action, & Thoromatic Central Vacuums