Philips FYM971/00, Air purifier filter, 99.9%, Box Philips FYM971/00. Product type: Air purifier filter, Brand compatibility: Philips, Efficiency: 99.9%. Width: 4.61" (117 mm), Depth: 4.61" (117 mm), Height: 8.66" (220 mm). Package type: Box. Quantity per pack: 1 pc(s)