The Envirocare Eureka/Sanitaire Style HF-8 “MM” HEPA Filter is a premium replacement filter designed to bring high-efficiency airborne particle capture to your Eureka, Sanitaire, Mighty Mite and compatible vacuums. When your vacuum’s exhaust air appears dusty or you notice reduced suction, this filter restores full filtration performance — helping your home air stay cleaner while your unit runs stronger.

Constructed using true HEPA-grade pleated filter media, the HF-8 “MM” filter captures up to 99.97% of particles from 0.3 microns and larger — including pet dander, pollen, fine dust and allergens. The rigid plastic frame and precision-fit design ensure a tight seal in the filter housing, minimizing bypass and preserving airflow. Manufactured for durability and longevity, this filter meets the performance standard you expect when choosing a HEPA-quality replacement. vacuumplus.com+1

Installation is straightforward and tool-free: open your vacuum’s filter compartment, remove the old filter and insert this Envirocare HF-8 “MM” HEPA filter in the correct orientation, then close the compartment. Compatible with a wide range of Eureka Mighty Mite (3600-series: 3670, 3680, 3685, 3695) and Sanitaire models (S3681, SC3683, SC3686) among others. Vacuum Direct+1 With this replacement in place, you can expect restored suction, improved airborne particle capture and longer motor life thanks to cleaner intake and exhaust air.

At Swiss Boy Vacuum, we pride ourselves on offering only trusted, high-quality replacement parts that deliver like genuine OEM components. By choosing this HEPA filter, you are partnering with a trusted supplier committed to providing expert support, fast shipping, and reliable performance — no guess-work, just results.

Why Choose This Product?

• True HEPA-grade filtration capturing up to 99.97% of particles 0.3 microns and larger
• Direct fit for Eureka/Sanitaire Style HF-8 / “MM” Mighty Mite series
• Durable molded frame ensures secure fit and airflow integrity
• Easy, tool-free installation in minutes
• Restores suction and air quality by reducing filter clogs and exhaust dust
• Extends vacuum motor life through cleaner intake air
• Ideal for pet owners, allergy-sensitive households and dust-heavy environments
• Backed by Swiss Boy Vacuum — trusted parts, reliable service

Specifications

• Color: White pleated media with gray/black plastic frame
• Material / Build: HEPA-grade pleated synthetic fiber media, rigid plastic housing
• Part Number(s): Style HF-8 / MM, cross-ref 60666B, 60666A, 60666-6, EUR 60295-6 Amazon+1
• OEM References / Cross-Refs: Eureka / Sanitaire HF-8 / MM Mighty Mite series
• Filtration Efficiency: Up to 99.97% of particles ≥ 0.3 microns
• Included Components: 1 filter cartridge
• Dimensions: OEM standard for HF-8 / MM slot (check your vacuum’s filter compartment for exact fit)
• Brand: Envirocare (aftermarket) compatible with Eureka / Sanitaire
• Recommended Replacement Interval: Typically every 6-12 months depending on usage and environment

Compatibility List

Eureka Models:

• Mighty Mite 3600 series — 3670, 3670A, 3670G, 3671A-1, 3672A, 3672B, 3673A, 3676A, 3676B, 3679A, 3679B, 3680 Vacuum Direct
• 3682A, 3682B, 3682D, SC3683, SC3683A, 3684A, 3684B, 3684D, 3685, 3685A, 3685B, S3686, S3686, S3689, 3695 Vacuum Direct+1
  Sanitaire Models:
• S3681, S3681B-1, SC3683, SC3686 ThinkVacuums.com
  (Always verify your vacuum’s model number and existing filter part before ordering.)

Use Case

This HEPA filter is ideal for homeowners, renters or service professionals using Eureka Mighty Mite or Sanitaire canister vacuums who want to restore optimal filtration and airflow. It solves issues such as dusty exhaust air, diminished suction, clogged filters and maintains high indoor air quality — especially important for households with pets or allergy sensitivities.