When you add two compatible CPAP filters to your cart, the second filter will automatically be 50% off. No promo code needed — your discount applies at checkout.
Save Now With Code: BOGOFILTER
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How does the Buy One, Get One 50% Off filter promo work?
Do both filters have to be the same model?
No! Mix and match is allowed. You can select any compatible filters you need, and the promotion will still apply.
How often should I replace my CPAP filters?
Most CPAP filters need replacement every 2–4 weeks, depending on usage and air quality. Stocking up now is a great way to save and stay on schedule.
Which filters are included in the BOGO 50% Off promo?
All compatible CPAP filters displayed on this page are included in the Buy One, Get One 50% Off offer. If it’s here, it qualifies