Philips Fresh Air Mask Filter FY0087/00 Philips Sale! from 2100 /per Qty. Add to Cart Limited stock: Estimated ship date within 3-7 business days. Estimated ship date within 3-5 business days. Part Name: Fresh Air Mask Filter x 5 Description Can filter out 95% 3µm particles during the first use The filter filtration efficiency is 95% @3um particles at the time of the first use. Long-lasting comfort Golden anchor point, effectively disperses the pressure