3 pack, h100 humidification wick, fits Holmes hm630, 729, 729g, 4600, 6000, 6000rc, 6005, 6600, 7203, 7203rc, 7204, 7207, hm7305, 7305rc, 7306, 7306rc, hm7405, 7405rc, hm7808; hm4600, filter fits bcm645, 646, 4600, 5520rc, 6000, 6010rc, 6610rc, 7203rc, 7204, 7205, 7207, 7305/rc, 7306, 7307, bhf-100.
