• HyGiene Products
  • Non Returnable
  • Made in USA

Devilbiss Replacement Air Inlet Filter for Pulmoneb Pulmo-Aide Compressor Nebulizer

Brand/Manufacturer: DEVILBISS
Item # Desc Pkg Price
3655D-601 Air Inlet Filter $0.25
3655D-602 Air Inlet Filter $0.85

Devilbiss Replacement Air Inlet Filter for Pulmoneb Pulmo-Aide Compressor Nebulizer comes in use with Devilbiss Pulmoneb Compressor Nebulizer System (Code 3655DX). This filter is hard to touch and typically lasts for up to 6 months. Filter quality should be checked periodically for any discoloration that signifies a need for replacement.

How to change Air Inlet Filter?

  • Filter should be changed every 6 months or sooner if discoloration appears
  • Remove the Air Inlet Filter by grasping it firmly and then pulling it out of the unit
  • Discard the old filter
  • Replace with a new DeVilbiss Replacement Air Inlet Filter
  • Push new filter into the position

Caution: Do not wash or reuse the filter or substitute any other material like cotton for a DeVilbiss Air Inlet Filter as it will result in compressor damage

What to buy with Devilbliss Replacement Air Inlet Filter

Pulmoneb Air Inlet Filter Reviews


ItemName - now     12/06/2021

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UserName - now     12/06/2021

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Angela     04/06/2020

The nebulizer is not working properly, in that once my mom has the mask up to her face, the medicine is not pushing through.  I am trying to find a troubleshoot to figure out why.  When I looked at the parts I think there is a filter that may be missing from the nebulizer, but I cannot know for sure.


Customer Care    04/09/2020

In order to assist you better, could you please provide us with the order number or the email ID you used to place the order?



Nadia     03/04/2017

What if I do not change the filter after 6 months?


Customer Care    03/05/2017

Not changing the Air Inlet Filter even after 6 months will result in compressor damage.



Sarah     03/04/2017

Can I wash the filter?


Customer Care    03/05/2017

No, Air Inlet Filter for Pulmoneb Compressor Nebulizer System cannot be washed.



Roger     10/19/2015

what all nebulizers it will work with?


Customer Service    10/19/2015

Works With 3655D, 3655T, 3655DX-KIDS

Hope that helps.



June     10/19/2015

when should I replace the filter


Customer Service    10/19/2015

Thank you for your inquiry. Filter should be replaced every 6 months or when it appears dirty.


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What is HPFY’s return policy?

Customer satisfaction is our top priority. We stand behind our products. If the merchandise you received is defective or not what you expected it to be, and you wish to return the item, please submit a return request in the My Account section of our website, contact our Customer Service department at (866) 316-0162 / (203) 616-2850 or email us.

  1. Merchandise must be returned within 30 days of the receipt of your order. Returns are not accepted after 30 days.
  2. Items (including parts and accessories) must be returned in new, unused, and resalable condition in its original packaging.
  3. Before returning any product, the buyer must obtain a Return Authorization Number (RA#) from a customer service representative. With your RA# you will receive a prepaid return shipping label.
  4. Orders returned without obtaining an RA# will be entitled to receive only "In-Store Credit" that can be used towards future purchases.
  5. Return orders are subject to a 20% restocking fees.
  6. All custom orders and hygienic items are non-returnable. Refer to the “Non-Returnable Items” section for further details.
  7. Returns will be reviewed and inspected before issuing credit. Please allow 3 to 4 weeks for processing. The credit will be applied to your original method of payment.
  8. If the return is the result of a defective product or shipping error, we will refund the entire purchase amount and return shipping costs.

Which products are Non-Returnable?

Due to the hygienic nature of some items, they are non-returnable. The items listed below are non-returnable:

  1. All hygienic items.
  2. Opened personal care items.
  3. Anything opened, used, or tried on.
  4. All customized items.
  5. Besides these, items that have the “non-returnable” phrase on the website.

We reserve the right to make adjustments due to errors, changing market conditions, product discontinuation or typographical errors in advertisements. Images on the site may not always reflect the actual product. Footrests or leg-rests are not included with wheelchairs unless specified.

How do I receive a return authorization number?

You can submit a return request by logging into your account. You will receive the Return Authorization Number (RA#) details in the email within 2-3 business days.

  • Login to your account
  • Go to “order history”
  • Click on “return order”
  • Fill out the return form and Submit it

If you do not have an email address, we will make other accommodations for RA# Details. Write the RA# on your label affixed to your package prior to shipment.

How long does it take to receive a refund?

Please allow 3 to 4 weeks to process the returns. Once the item is received, and inspected, your refund will be processed and automatically applied to your credit card or original method of payment.

Is there any Restocking Fees?

  1. 20% restocking fees will be applied.
  2. Outbound shipping cost is non-refundable.
  3. For orders that qualified for free shipping, $8.99 will be deducted from the refund if the product is returned.

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