Frequently Asked Questions (FAQs) FAQs for Product: Reusable Humidifier Chambers For F&P 200 series HC355 1. Why the price? (Posted: 29th Sept, 2008) Question & Answers for Product: Reusable Humidifier Chambers For F&P 200 series HC355 Q. Why the price? (Posted: 29th Sept, 2008) A. Stainless steel removable base, allows complete cleaning, and resistance to pitting/holing caused by minerals in water. Normal chambers last about 3 to 6 months, dependent on water quality. Reusable chambers should last for several years if cleaned daily. Back to Top Submit A New Question Can't Find The Answer You're Looking For? Submit Your Question Below: Related Product:  Reusable Humidifier Chambers For F&P 200 series HC355 Your Question:  (Please enter One Question Only! You can ask as many questions as you like, but do not combine them into one post!) Your Reply Email Address:  Security Step:  Enter the text to the Left in the space below: [ CLOSE WINDOW ]