The Modern Day & Silent Master 8 Gallon Elastic Top Central Vacuum Paper Bags - 3 Pack is a replacement bag set designed for compatible open-top and top-filling central vacuum systems. These bags are sold as 8-gallon replacement bags in a 3-pack and are commonly referenced by part number MD814 for Modern Day and related applications.

These bags use a disposable paper construction with an elastic top for a secure fit on compatible units. Seller listings for MD814 also describe them as micro-lined or microfiltration-style replacement bags, which supports cleaner dirt containment and easier routine maintenance.

Compatibility is the most important part of ordering this bag. The broadest consistent fitment covers many Modern Day, SilentMaster, Flo-Master, Air-Flo, and Air-Force top-filling units, especially the smaller-body and open-top models listed by central vacuum parts sellers and manufacturer-adjacent sources. Because similar MD bag families also exist in 12-gallon versions, matching by part number MD814 and by unit style before ordering is the safest approach.

At Swiss Boy Vacuum, we know routine bag changes are one of the easiest ways to keep a central vacuum system cleaner and easier to maintain. We are proud to offer dependable central vacuum bags, parts, and accessories backed by experienced service to help customers get the right fit for their system.

Why Choose This Product?

• 8-gallon replacement bag set for compatible central vacuum systems.
• Elastic top design helps the bag fit securely on compatible open-top units.
• Disposable paper bag construction makes routine dirt disposal cleaner and easier.
• Convenient 3-pack gives you multiple replacement bags for ongoing maintenance.
• Commonly matched to Modern Day and SilentMaster applications.
• Also fits many Flo-Master, Air-Flo, and Air-Force units.
• Common replacement reference is part number MD814.
• Good choice for customers maintaining older top-filling central vacuum units.

Specifications

• Product Type: Central vacuum paper bags.
• Part Number: MD814.
• Bag Capacity: 8 gallon.
• Pack Size: 3 pack.
• Top Style: Elastic top / open-top style.
• Material: Paper; some listings describe the bag as micro-lined or microfiltration style.
• Brand Fitment: Modern Day, SilentMaster, Flo-Master, Air-Flo, Air-Force, plus other compatible open-top central vacuum brands.
• Approx. Size Note: One seller lists these as fitting units under 34 inches tall and around 14 inches diameter; match by unit type and part number before ordering.
• Included Components: 3 replacement bags.

Compatibility List

• Modern Day Models: A, B, B2, J, K, M465h, M575h, M615h, SR, and all 120V and 240V "2" units.
• SilentMaster Models: S1, S2 (120V), S2 (240V), S3 (120V), S4 (120V), S4 (240V), S5 (120V), S5 (240V), SP2 (120V), SP2 (240V), SP3 (120V), SP3 (240V), SP22 (120V), SP22 (240V).
• Flo-Master Models: F450t, F600t, F650t, M19, M31, M32, M34, M45, M64, M72, M85, M92, all 120V and 240V "2" units, and other compatible units under 34 inches tall.
• Air-Flo Models: CFM-2 and compatible units under 34 inches tall.
• Air-Force Models: Compatible with Air-Force units, including listings that indicate all units.
• Other Compatible Brands: Action, Brute, PowerKing / Pow-R-King, Pullman-Holt, Sequoia, Star, Stor-Vac, and Thoromatic are also listed by sellers for this bag family or the same open-top elastic-style fitment.
• Fitment Note: Because MD also has similar 12-gallon bag listings, match by MD814, 8-gallon size, and open-top elastic-style configuration before ordering.

Use Case

This product is ideal for homeowners or service customers maintaining an older open-top central vacuum system that uses elastic-top disposable bags. It solves the mess and inconvenience of dirt disposal by giving you a properly sized replacement bag that is easier to install, remove, and replace during routine maintenance.