How Often to Replace the Steriliser HEPA Filter
By Dr Browns | Published: 2026-10-18
Category: Tips & Care
Learn the recommended replacement schedule for your Dr Brown's steriliser HEPA filter and why regular changes keep your bottles truly clean.
Quick Answer
Replace the HEPA filter in your Dr Brown's Clean Steam Bottle Steriliser every six months to maintain effective air filtration and steriliser performance.
Why the Filter Needs Regular Replacing
The HEPA filter captures airborne particles like dust and bacteria before they enter the steriliser chamber. Over time, the filter media becomes clogged, reducing airflow and filtration efficiency. A clogged filter can make the steriliser work harder, potentially affecting drying performance and sterilisation consistency.
Unlike a water filter, you cannot wash or clean a HEPA filter. Once it is saturated with particles, replacement is the only option.
Signs Your Filter May Need Changing Early
While the six-month schedule works for most households, certain conditions may shorten the filter's effective life. If you notice longer drying cycles, unusual noises from the steriliser, or a musty smell coming from the unit, the filter may be clogged. In high-dust environments or homes with pets, consider checking the filter at four months.
HEPA Filter Replacement FAQs
- How often should I replace the HEPA filter?
- Dr Brown's recommends replacing the HEPA filter every six months. The filter is rated for up to six months of continuous use in the Clean Steam Bottle Steriliser and Dryer. Set a recurring reminder on your phone or calendar for the 6-month mark.
- Can I clean the HEPA filter instead of replacing it?
- No. The HEPA filter is a disposable, non-washable component. Vacuuming or rinsing it can damage the filter media and reduce its ability to trap particles. Always replace with a new filter.
- What happens if I don't replace the filter on time?
- A clogged filter restricts airflow, which can lead to longer drying cycles, reduced sterilisation efficiency, and potential buildup of moisture inside the unit. In extreme cases, the steriliser may not dry bottles completely. If you notice damp bottles after a cycle, check the filter first.
- How do I replace the filter?
- Remove the filter cover from the bottom of the steriliser. Pull out the old filter using the easy-pull tab. Insert the new filter and snap the cover back into place. No tools are needed. Keep a spare filter on hand so you can swap it immediately when the reminder goes off.
Product Fact
- Dr Brown's Replacement HEPA Filter for Clean Steam Bottle Steriliser and Dryer: The Dr Brown's Replacement HEPA Filter captures up to 95% of airborne particles and is designed to last up to six months. This means you get reliable air purification for half a year, but you must mark your calendar to swap it on time so the steriliser keeps performing as intended.

Dr Brown's Replacement HEPA Filter for Clean Steam Bottle Steriliser and Dryer
