Sony DVD RW 4X 4.7 GB Rewriteable (5-Pack)
Price 14.99 USD
Uses no filter pads * Water is the filter. Fresh every day. Cleans with a consistently high level of effectiveness, as water doesn"t clog the way filter pads do. * Extremely quiet. Ideal for use in bedrooms. * Visible purifying performance. Pure water evaporates, leaving dirt trapped in the tank like salt in the sea. * Odorless. No smell of moldy filters or stagnant water.