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AG Industries S7 Elite CPAP Filter

Authorized Reseller

Packaging & appearance may differ

Photos are for general reference — the product description is the source of truth for exactly what you'll receive, so it's worth a quick read before ordering. Packaging, labeling, and appearance may vary from the images, and these cosmetic differences fall outside returns and refunds. If anything else about your order needs attention, our team is always happy to help.

AG Industries S7 Elite CPAP Filter

WellBefore
4.8
50,000+ Reviews

Independence Day Sale

June 25th - July 5th

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6% OFF
  • Compatible with Puritan Bennett Goodknight 420/425 models
  • High-quality foam construction for effective filtration
  • Easy to install and replace
  • Helps extend CPAP machine lifespan
  • Maintains optimal airflow performance
  • Reliable protection against airborne particles
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$2.84 $2.99 ($1.42 / pc)

Savings: $0.15 (5% Off)

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Subject to guarantee terms (one claim per customer/year). How does this work?

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Price: $2.99 ($1.495 / pc)

HSA/FSA Eligible

Pay with your health savings account

Subject to guarantee terms (one claim per customer/year). How does this work?

No refunds, exchanges or returns
FREE Shipping on orders $79+
In Stock

As soon as

If you order in the next

pcs

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  • Compatible with Puritan Bennett Goodknight 420/425 models
  • High-quality foam construction for effective filtration
  • Easy to install and replace
  • Helps extend CPAP machine lifespan
  • Maintains optimal airflow performance
  • Reliable protection against airborne particles

Check out also

AG Industries S7 Elite CPAP Filter - Pack of 2

Premium Protection for Your CPAP Equipment

This convenient pack of 2 replacement foam filters is specifically designed for Puritan Bennett Goodknight 420/425 CPAP machines. Measuring 1 7/8" x 7/8", these high-quality filters help maintain optimal performance and extend the life of your CPAP equipment.

Superior Air Filtration

Keep your CPAP system running smoothly with these reliable foam filters that effectively capture dust, pollen, and other airborne particles. Regular filter replacement ensures you receive clean, filtered air throughout your therapy sessions.

Easy Maintenance Solution

  • Perfect fit for Puritan Bennett Goodknight 420/425 models
  • Made from high-quality foam material
  • Simple replacement process
  • Maintains optimal machine performance

With two filters included in each pack, you'll have a spare ready when it's time for routine maintenance, ensuring uninterrupted CPAP therapy and peace of mind.

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Why you should choose

  • COMPETITIVE PRICING

    We offer high-quality products at lower prices than Amazon. With bulk orders get a special discount for the ultimate deal.

  • OUTSTANDING
    CUSTOMER SUPPORT

    Our Wellness Advisors provide seamless support for all your queries, concerns, and order issues. Count on us hassle-free returns, refunds, and more.

  • FAST SHIPPING

    Based in Texas, our warehouse dispatches orders within 24 business hours, often delighting clients with early deliveries.

  • RETURN &
    REFUND POLICY

    To learn about our flexible return and refund policy, please click here.