Does the water chamber come in it's original packaging?

Yes this water chamber does come in its original manufacturer packaging

Hi, Is this generic or original Philips?

It is identical to what came with my CPAP machine. I believe it is original Philips...meaning there is no marking on the tube that says “Philips” and I cannot remember the package markings but it is identical and works great.

How often should you replace this ?

I was told every 6 months to a year. Depending on whether you use distilled water or tap water. Because of all the impirities in tap replace it more often

ASIN	B01LDDNZY0
ASIN	B01LDDNZY0
Best Sellers Rank	#185,172 in Health ( See Top 100 in Health ) #2,541 in Aromatherapy Diffusers
Brand	Philips
Customer Reviews	4.8 4.8 out of 5 stars (4,928)
Customer reviews	4.8 4.8 out of 5 stars (4,928)
Date First Available	9 November 2018
Is Discontinued By Manufacturer	No
Item model number	1122520
Manufacturer	Philips Respironics
Product Dimensions	11.06 x 8.98 x 2.68 cm; 168 g
Units	1 Count

Water Chamber Tub for Philips Respironics DreamStation Humidifier - 1122520

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