Tier1 Replacement for GeneralAire 990-13 Models 1042, 1137, 1040 Humidifier Evaporator Pad 3 Pack

DESIGNED TO FIT: Fits GeneralAire humidifiers requiring 990-13 filter, models 1137, 1040, 1042, SL16, 709, 990, Trion G100, G300, 100, 84-25054-01, 84-25054-05 ACTUAL SIZE: 9-3/4 inches (height) x 12 inches (width) x 1-1/2 inches (depth) HIGH EFFICIENCY FILTRATION: Reduces pollutants from the water used in your humidifier to produce better air quality by maintaining humidity levels during dry seasons FILTER LIFE: For optimum performance, replace every 3 months. COMPATIBLE DESIGN: Comparable replacement filter that improves air quality.