Proven effective at killing germs and bacteria | Applies electricity not only to surface but all the way through the depth of the filter | Any germs and viruses caught inside filter (whether on surface, middle or back) are killed once in contact with filter | Recommended to replace every twelve (12) months, or more often in harsh environments, for maximum efficiency | Approximate Dimensions: 19 3/4 x 4 3/4 x 1 1/4 inches
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Item# : SPM18298574104
Model # : RNAB07D7GS4FZ