FitMatch

The BMC G3 C20 takes the BMC G3 standard air filter (4 pack) (part 10380262) as its filter; replace it every 6 months; Australian sellers list it from A$5.00 each as of 2 November 2026. This fit is not yet confirmed against the manufacturer's list.

Your CPAP machine

CPAP machine

Not confirmed by BMC — check your old filter

10380262

Takes the 10380262

Filter · every 6 months · check the code on your old filter.

Other BMC CPAP machines that take the 10380262

Genuine

$5.00 each

4-pack $20.00

Easy CPAP · 2 Nov

Compatible

See seller

No compatible seller tracked yet

Genuine: made by BMC. Compatible: another brand.

Lowest price · $5.00 each · 4-pack $20.00

Easy CPAP. Every seller we track is listed below. Some links earn us a commission.

Open Easy CPAP

This CPAP machine also takes a water tub

Compare 1 seller

AUD, before delivery. Each price shows when it was checked.

Open cheapest seller · $5.00 each · 4-pack $20.00

Opens Easy CPAP in a new tab. Their page is the source of truth for price, delivery and returns.

Not due yet?

Get a nudge when your filter is due — it's every 6 months. One email two weeks before, no newsletter. Manage or stop it anytime.

Also saves the model to a FitMatch account under this address; the email signs you in, no password.

How to change the filter in your BMC G3 C20

Watch the guide or follow the steps.

No clear video for this part yet. The steps cover it.

  1. 1Turn the G3 off and unplug it.
  2. 2Take the filter cap off the air inlet and remove the old filter.
  3. 3Attach the new air filter to the filter cap.
  4. 4Fit the filter cap with the filter back onto the machine.
Every number this part goes by
Retail name:
10380262
Retail name:
Luna G3 filter

Sellers list any of these; they are the same part.

About your G3 C20

BMC CPAP machine — G3. Its filter is the G3 standard air filter (4 pack), part 10380262, changed every 6 months.

Other filters that fit this CPAP machine: BMC G3 PM2.5 fine filter box (every 6 months). Optional PM2.5 fine filter box: fits instead of the standard filter and filter cap.

Also in this CPAP machine: BMC G3 water chamber.

Where the model number is: The model is on the label under the machine and in its settings or information screen. Unplug the machine, and take out the water tub if it has one, before you turn it over.

Fits these 2 BMC models

BMC2 models

Common questions
Which filter fits the BMC G3 C20?
The BMC G3 C20 takes the BMC G3 standard air filter (4 pack) (part 10380262).
How often should I replace the filter in my BMC G3 C20?
Every 6 months. It works less well as the filter fills up, so it's worth doing on time.
Where can I buy the 10380262 in Australia?
We track 1 Australian seller for the 10380262; the lowest listed price when we last checked was A$5.00 at Easy CPAP. Prices are re-checked daily and dated on this page.
How do I fit the 10380262 in a BMC G3 C20?
No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?
A blocked filter restricts the air the machine draws in, and a torn one lets dust and pollen through; the manual says when to replace it.
How do I reset the reminder?
BMC's manual has a filter reminder (30 days, 60 days or off) and a reset for the filter use time in the accessories menu.

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