5PCS SC1200 Carbon Filter Replacement Kit, 5PCS Check Valve Suitable for SC2 SC1200 CPAP Machine Filter

While these usually do not have to be replaced until six months have elapsed, it's good to have them on hand when the lights on the SoClean flash red and yellow. Takes just a few minutes to eplace the charcoal filter and the stop valve in the air supply to the CPAP water tub.

Better price when bought in bulk. .

These filters are good thus far. They are easy to fit into the plastic outer shell.

I should have gone with the original product. There was literally NO pleasant sent emanating from my Mask & Headgear after using. Buyer beware!

Very easy to do once you get the original filter opened for the first time

I couldn't find the carbon filter inserts that I'd seen before so I ordered these as I already had saved a few plastic boxes which could be reused. The Check Valves looked OK but the carbon was a bit disappointing.If you look at the photo, you can see that the density of this foam is probably 1/3 of that of the SoClean and another brand of replacement filters. In addition, it is only 1/2 the thickness of either of the other 2 carbon filter media. You can easily fit 2 of these into one case.As the foam doesn't do much except remove some of the O3, you can do the same by just running your CPAP a few seconds before wearing. This will blow out any residual ozone. I won't order this brand again and may just get some thick aquarium activated charcoal foam sheets and cut them up to fit.

Great deal and product

Arrived in timely manner, was well packaged, and was what I expected.