Wait RF 5000 Replacement Evaporator Pad for Model 5000 & 6000 Flow Through Humidifier. Pkg. of 2. GA23 but there is no indication

but there is no indication on the filters to support that the filters are MERV 15

Standard 20 x 25 x 5 Pleated Filters

Filters will be 12 pieces of 14 x 24 x 1 and must be taped together to make 6 pieces of 24 x 28 x 1

and other compatible Aprilaire 600 humidifier models

1137 & SL16 Humidifiers

Wait RF 5000 Replacement Evaporator Pad for Model 5000 & 6000 Flow Through Humidifier. Pkg. of 2. GA23 but there is no indicationReplacement Evaporator Pad RF5000 Fits the Wait Air King 5000 & 6000, Lasko 6000L & 5000L and Air King 5500 Flow Through Furnace Humidifier Actual Exact Size 10" x 9 1 2" x 1 1 2" Package of 2 Pick Up In Store $45. 00