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The FloMaster, manufactured by MD Manufacturing is one of the most powerful central vacuums on the market. The FloMaster uses Ametek Lamb motors, the best vacuum motors in the industry. No Chinese motors used by MD!

Arapahoe Central Vacuum - Installs and services central vacuums in Denver, the Colorado Front Range, and beyond. We service all brands. Call us at 303-761-0729 for service or installation.

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Flo-Master Brochure

C650 Flyer

SilentMaster Specs


Vacuum Units
The FloMaster M80 is a powerful option in small spaces. If your floor plan is under 2,000 feet, an M80 is a great option. The FloMaster M85 is powered by Ametek Lamb motors, with an 8 gallon trash capacity. The HEPA filter bags, and clean exhaust, allow the homeowner to place the vacuum unit into the garage or utility room without having to vent the machine outside. The FloMaster C650 is MD Manufacturing's version of a cyclonic vacuum unit. It has Ametek Lamb motors, and uses a bottom dump bucket. Cyclonic vacuums are considered baggless, and must be vented to the outside.
Flo-Master M80
120 volt
Flo-Master M85
120 volt
Flo-Master C650***
120 volt
MD Part # F1156MF F1156AC F1155AJ
Complete Details
- Performance
- Features
- Installation



Motor Single Stage Single
5.7", 2-stage
Single by-pass
5.7", 2-stage
Max Airwatt* 453 650 653
Max Amp 10.2 14.9 16
WaterLift 108" 143" 148"
CFM at 2"opening 119.5 130 130
Height / Width 20" / 11.75" 29" / 14" 39.5" / 12"
Weight 17 lbs 34 lbs 29 lbs
Trash Capacity 5 gallons 8 gallons 5 gallons
Max Ft2 3,000 8,000 8,000
Filtration Type Sealed Microfiltration Bag 3 Stage HyperFlow® or
Sealed Microfiltration Bag
Inverted Cloth Filter
& Disposable Bag
Warranty** Three Years + Lifetime 10 Year Transferable + Lifetime
Protection Resettable Minibreaker
Construction 18 & 20 Gauge Steel
Finish Powder-coat Paint and Sealant Inside and Out
Micron Filtration .3 microns (and more than 99% of particles under 1 micron)
Quietness Flo-Master Units have no sound suppression, unlike the SilentMaster.
Filtered Exhaust checkmark checkmark checkmark
Dual Intake Valves checkmark checkmark checkmark

All MD Manufacturing units are sold through local dealers eliminating all middle men, such as distribution companies. This supplies you with a great product at a tremendous value. MD Power units are not authorized to be sold or priced on any websites or under different product names or private labels.

* Factors other than air watts should be taken into consideration including: altitude, amount of hours of daily usage, complexity of pipe installation, length of furthest vacuum inlet, noise level desired, type and size of filtration, country of origin, construction materials, and budget. The square footage recommendations on this page are solely based upon the suction capabilities of the unit.

**FloMaster Warranty
M.D. Manufacturing, Inc. warrants its Flo-Master power units against electrical component failure for a period of ten (10) years (for units produced after January 1, 2014). This warranty is transferable with the unit and is not solely limited to the original owner. Any parts (excluding filters) required within the first ten years will be furnished free of charge by the Authorized Dealer from whom the power unit was originally purchased. Models M60 and M80 are warranted for three (3) years. In addition, all Flo-Master units are guaranteed for life against defects in materials and workmanship. If an Authorized Dealer is not nearby, M.D. Manufacturing, Inc. will honor and perform required warranty services. The end user must return the unit to the factory freight pre-paid. This warranty does not apply to applications outside of North America, commercial applications, misuse, abuse, acts of God, operating without the filters, or units tampered with by unauthorized personnel.

*** C650 is available in a 240 volt version. The 240 volt C650 cleans up to 8,000 square foot floor plans.

Arapahoe Central Vacuum - Serving Colorado's Front Range of the Rocky Mountains, Foothills, Mountain Communities, and the Eastern Plains - Contact us at: 303-761-0729 or email info@arapahoecentralvac.com