Holmes HWF100 Wick filter (6 pack).

Holmes HWF100 Wick filter is an Original Holmes Filter.
The HWF100 wick filter is also know as HWF100-UC6, HWF100CS, "E" type, HF235.
Holmes HWF100 Wick Filter fits HM630, HM729, HM4600, HM4600HD, HM6000, HM6000RC, HM6005HD, HM6600, HM7203, HM7204, HM7305, HM7305RC, HM7306, HM7405, HM7808, etc.
Holmes HWF100 Wick filter is infused with "Arm & Hammer" baking soda to help absorb household odors.
This filter is treated with anti-microbial agent to inhibit growth of mold, mildew and odor-causing bacteria on the filter surface.
The HWF100 Wick Filter collects minerals and calcium from the water and has to be replaced regularly to keep the performance of your humidifier at its peak.
Filter Dimensions (each), inch. 7.5 x 5.5 x 1.25
Filter's Lifetime: 1 to 2 months.
Holmes HWF100-UC6 Wick Filter comes 6 filters in a pack.