Dyson DC21 Pre Filter – Dyson Replacement Washable Filter

Product Overview

The Dyson DC21 Pre Filter by Dyson is an essential washable pre-motor filter designed to protect your vacuum’s motor by trapping dust and allergens before they reach critical components. This genuine OEM filter ensures your Dyson DC21 vacuum maintains optimal suction power and enhances indoor air quality for a cleaner, healthier environment.

Available exclusively through Authorized Dyson Dealer Ace Vacuums, the Dyson DC21 Pre Filter guarantees high-quality materials and precise fitment for long-lasting performance. This durable filter is perfect for homeowners, allergy sufferers, and pet owners who demand efficient filtration and consistent vacuum operation.

Choose Authorized Dyson Dealer Ace Vacuums for authentic Dyson replacement parts that preserve the efficiency and longevity of your Dyson DC21 vacuum.

Key Features

• Genuine Dyson OEM Replacement – Engineered specifically for Dyson DC21 vacuum models.

• Washable and Reusable – Easy to rinse and air dry, extending the filter’s life and reducing replacement costs.

• Pre-Motor Filtration – Captures fine dust and debris before the motor, helping to maintain suction and protect internal components.

• Improves Air Quality – Traps allergens and particles, contributing to a cleaner home environment.

• Easy Installation – Snap-in design allows for quick, tool-free replacement.

• Durable Materials – Built to Dyson’s strict standards for longevity and performance.

Sold exclusively through Authorized Dyson Dealer Ace Vacuums.

What Makes the Model Stand Out

The Dyson DC21 Pre Filter stands apart due to Dyson’s innovative filtration design that offers superior protection to your vacuum’s motor and maintains consistent suction power. Unlike generic alternatives, this genuine Dyson pre-filter perfectly fits the DC21 vacuum, ensuring no loss in airflow or filtration efficiency.

Purchasing through Authorized Dyson Dealer Ace Vacuums means you receive a product that meets Dyson’s high-quality standards, backed by warranty and customer support. The washable feature enhances convenience, reduces waste, and lowers maintenance costs compared to disposable filters.

Technical Specifications

• Model Name: Dyson DC21 Pre Filter

• MPN: 912579-02

• Product Type: Washable Pre-Motor Filter

• Compatibility or Fit: Compatible exclusively with Dyson DC21 vacuum cleaners

• Filtration / Capacity / Power: Multi-layer washable filter that traps fine dust and debris pre-motor

• Country of Origin: Manufactured according to Dyson OEM specifications

• Warranty or Guarantee: Supported by Authorized Dyson Dealer Ace Vacuums

• Authorized Dealer: Ace Vacuums

Ideal Buyers

• Homeowners seeking to maintain high suction performance and filtration quality.

• Pet owners managing pet hair and dander with effective pre-motor filtration.

• Allergy sufferers benefiting from enhanced dust and allergen capture.

• Dyson DC21 vacuum users requiring genuine replacement parts for reliability.

Ordering through Authorized Dyson Dealer Ace Vacuums ensures buyers receive genuine parts, expert guidance, and warranty protection.

Availability

The Dyson DC21 Pre Filter is available both in-store and online via Authorized Dyson Dealer Ace Vacuums. All filters come in authentic Dyson packaging to guarantee genuine OEM quality and performance.

Comparison Table

Pros and Cons

Pros:

• Authentic Dyson OEM part for exact fit and performance.

• Washable design lowers replacement costs.

• Protects vacuum motor by trapping fine dust.

• Maintains consistent suction power.

• Backed by warranty and support from Authorized Dyson Dealer Ace Vacuums.

Cons:

• Requires regular cleaning and full drying before reuse.

• Compatible only with Dyson DC21 vacuum models.

Frequently Asked Questions 

1. What is the Dyson DC21 Pre Filter by Dyson?
The Dyson DC21 Pre Filter is a washable pre-motor filter designed to trap dust and debris, protecting the motor and maintaining suction. Available through Authorized Dyson Dealer Ace Vacuums.

2. Why should I buy the Dyson DC21 Pre Filter from Authorized Dyson Dealer Ace Vacuums?
Only Authorized Dyson Dealer Ace Vacuums can guarantee you receive a genuine Dyson part with full warranty and customer support.

3. How often should I clean the Dyson DC21 Pre Filter?
Dyson recommends rinsing the filter every 1 to 3 months depending on vacuum usage to maintain peak performance.

4. How do I properly clean the Dyson DC21 Pre Filter?
Simply rinse under cold water until clear. Do not use detergents. Allow it to air dry completely for at least 24 hours before reinstalling.

5. When is it time to replace the Dyson DC21 Pre Filter?
Replace every 12 to 18 months or when it becomes damaged or permanently dirty. Genuine replacements are available from Authorized Dyson Dealer Ace Vacuums.

6. Is this filter compatible with other Dyson models?
No, this pre-filter fits only Dyson DC21 vacuum cleaners.

7. What happens if I use a non-Dyson pre-filter?
Non-genuine filters may reduce suction, cause damage, or void your warranty. Always buy from Authorized Dyson Dealer Ace Vacuums for authentic parts.

8. What are the benefits of a washable pre-filter?
It reduces waste and replacement costs while maintaining superior filtration.

9. How do I know if my pre-filter needs cleaning?
Signs include decreased suction power or visible dirt buildup on the filter.

10. Can cleaning the filter restore suction?
Yes, cleaning removes blockages and improves airflow, restoring vacuum performance.

11. Is the Dyson DC21 Pre Filter covered by warranty?
Yes, when purchased from Authorized Dyson Dealer Ace Vacuums, it includes warranty support.

12. Does this filter help with allergies?
Yes, it captures dust and allergens before they reach the motor or HEPA filter, improving air quality.

13. What packaging does this product come in?
Authentic Dyson packaging when purchased from Authorized Dyson Dealer Ace Vacuums.

14. Can I buy the Dyson DC21 Pre Filter online?
Yes, it is available online and in-store from Authorized Dyson Dealer Ace Vacuums.

15. How do I install the Dyson DC21 Pre Filter?
Installation is quick and tool-free with a snap-in design for easy replacement.

Ace Vacuums Locations:

• Fairfax, VA: 11110 Main Street, Fairfax, VA 22030
• Leesburg, VA: 300 Fort Evans Rd NE, Leesburg, VA 20176

Driving Directions to Ace Vacuums in Fairfax, VA (11110 Main Street, Fairfax, VA 22030)

From Maryland (e.g., Bethesda, Silver Spring, Rockville):

1. Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
2. Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
3. Continue on VA-267 W: Stay on the Dulles Toll Road for several miles.
4. Take Exit 16 for VA-7 E (Leesburg Pike) / VA-123 S (Chain Bridge Rd): Follow signs for VA-123 South (Chain Bridge Rd).
5. Merge onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
6. Turn Right onto Main Street (VA-236 W): This will be a significant intersection. You'll continue on Main Street for a short distance.
7. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store. Look for their prominent signage.

From Washington D.C. (e.g., Downtown D.C.):

1. Take I-66 W toward Vienna/Centreville/Fairfax: Get onto I-66 West.
2. Take Exit 60 for VA-123 S (Chain Bridge Rd) toward Fairfax: Follow the exit ramp.
3. Turn Right onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
4. Turn Right onto Main Street (VA-236 W): This will be a significant intersection.
5. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.

From Northern Virginia (e.g., Arlington, Falls Church, Vienna):

• From Arlington/Falls Church:
  1. Take US-50 W (Arlington Blvd) or VA-236 W (Main Street) directly into Fairfax: Depending on your starting point, either of these roads will lead you directly to Fairfax.
  2. Continue on Main Street (VA-236 W):
  3. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
• From Vienna:
  1. Take VA-123 S (Chain Bridge Rd) toward Fairfax: Head south on Chain Bridge Road.
  2. Turn Right onto Main Street (VA-236 W):
  3. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
• From Areas West/Northwest of Fairfax (e.g., Chantilly, Centreville):
  1. Take US-50 E or I-66 E towards Fairfax.
  2. If on I-66 E, take Exit 60 for VA-123 S (Chain Bridge Rd). Turn left onto Chain Bridge Rd, then right onto Main Street.
  3. If on US-50 E, turn right onto Main Street (VA-236 E) in Fairfax.
  4. Ace Vacuums Fairfax: Ace Vacuums will be on your right side if coming from US-50 E/VA-236 E, shortly after crossing VA-123. Look for Havertys Furniture Store on your left.

Driving Directions to Ace Vacuums in Leesburg, VA (300 Fort Evans Rd NE, Leesburg, VA 20176)

From Maryland (e.g., Bethesda, Silver Spring, Rockville):

1. Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
2. Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
3. Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Stay on VA-267 West. This road transitions from the Dulles Toll Road to the Dulles Greenway as you head further west into Loudoun County. Tolls apply for both sections.
4. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg: This is a major exit.
5. Continue on VA-7 W: You'll drive for several miles, passing through Sterling and Ashburn.
6. Take the Exit for Battlefield Parkway / Fort Evans Road: As you approach Leesburg, look for this exit.
7. Turn Right onto Fort Evans Rd NE: After exiting, turn right onto Fort Evans Road NE.
8. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.

From Washington D.C. (e.g., Downtown D.C.):

1. Take I-66 W toward Vienna/Centreville: Get onto I-66 West.
2. Merge onto VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Tolls apply.
3. Continue onto VA-267 W (Dulles Greenway): Stay on the Dulles Greenway. Tolls apply.
4. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
5. Continue on VA-7 W:
6. Take the Exit for Battlefield Parkway / Fort Evans Road:
7. Turn Right onto Fort Evans Rd NE:
8. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.

From Northern Virginia (e.g., Fairfax, Arlington, Ashburn, Sterling):

• From Fairfax:
  1. Take VA-123 N (Chain Bridge Rd) to access VA-267 W (Dulles Toll Road) or take I-66 W to VA-267 W: Your best bet is to get onto VA-267 West (Dulles Toll Road).
  2. Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Tolls apply.
  3. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
  4. Continue on VA-7 W:
  5. Take the Exit for Battlefield Parkway / Fort Evans Road:
  6. Turn Right onto Fort Evans Rd NE:
  7. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
• From Ashburn / Sterling / Eastern Loudoun County:
  1. Take VA-7 W (Harry Byrd Hwy) directly toward Leesburg: This is the most direct route.
  2. Take the Exit for Battlefield Parkway / Fort Evans Road:
  3. Turn Right onto Fort Evans Rd NE:
  4. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
• From Western Virginia (e.g., Winchester):
  1. Take US-7 E (Harry Byrd Hwy) toward Leesburg:
  2. In Leesburg, after passing the Leesburg Premium Outlets on your left, prepare for the Fort Evans Road / Battlefield Parkway exit.
  3. Take the Exit for Fort Evans Road / Battlefield Parkway.
  4. Turn Left onto Fort Evans Rd NE: You'll go over VA-7.
  5. Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot.

Shipping Policy

Return Policy

• Report Issues Promptly: Inspect your shipment upon arrival. Any shortages or defects must be reported within 7 days of delivery or they cannot be addressed.

• Return Window: Unused items in their original packaging may be returned within 15 days of delivery for a full refund. After 15 days and up to 30 days, only an exchange or store credit is offered, provided the item is unused and in its original packaging. Products returned beyond 30 days will not be accepted.

• Restocking Fees: A standard restocking fee of 15 % applies to all approved returns. Used, damaged, or incomplete items may incur a restocking fee of up to 50 % or be refused entirely.

• Final Sale Items: All discounted items, trade‑ins, holiday promotions, price‑matched goods, and air purifiers are final sale and not eligible for return or exchange.

• No Cash Refunds: Refunds will be issued to the original payment method. Shipping charges are non‑refundable and return shipping is the customer’s responsibility unless the return is due to our error.

• Return Authorization Required: Before returning any item, you must contact our customer service at 1‑888‑606‑8885 (Mon–Fri, 10 a.m.–7 p.m. EST) to obtain return instructions and the correct return address. Unauthorized or COD returns will not be accepted.

• Processing Time: Once your return is received and inspected, please allow up to 10 business days for processing.
  
  We recommend including a copy of your receipt and your contact information with all returns to ensure prompt service.