General Whole House Humidifier Filter 1099 1099-20 Furnace - $11.93 Each When You Buy 12 Purchase a single filter for $17.99 or stock up and SAVE when you buy 6 and 12 General Generalaire General air part numbers 1099-20, G20, G-20 Fits General Furnace humidifier model 1099 General 1099-20 Furnace Humidifier Filter Product quality and fit guaranteed These are Genuine General Filters Quantity Discounts: $13.04 Per Filter When You Buy 6 Filters $11.93 Per Filter When You Buy 12 Filters Availability: Usually ships the same business day. General Whole House Humidifier Filter 1099 1099-20 Furnace - $11.93 Each When You Buy 12 1099-20$17.99, 6/$78.21, 12/$143.15 Search Here: E-mail Us Privacy Policy Shipping Rates View Cart