4-Jun-2007 yeewan: How often would I have to replace the HEPA filter? What is the cost and is it easily available to purchase?

Easycom: It depends on the environment it is situated in, but typically the filters need replacing between 6-12 months.

22-May-2008 Dan: I was curious to know if this device can help combat smoke from cigerets ? not just odor but also discoloration on walls etc ?

Easycom: Yes, absolutely. Air purifiers are ideal for taking smoke particles out of the air.

10-Jan-2009 kikismith: Can this one run on battery as well? If yes, what kind and how many? Thanks!

sajidH: No sorry.

18-Jan-2009 Penny: How noisy is the AP281 unit?

sajidH: Its quite on low settings.

26-Apr-2009 Ash: Hi If I leave it on for 24 hour, how much will it cost in electricity?

mark h: It would cost about the same as 3 x 100w lightbulbs being constantly on.

26-Apr-2009 Ash: Where can I get a new filters form? How can I refurbish my old filter for reusing? Will I able to make my own filter at home and how?

mark h: You can wash the filters and re use them. Replacement filters can be purchased direct from Prem-i-air though in most cases if looked after will last for the life of the product