WaterFurnace Geothermal 59P509-04WF 24x28x2 MERV 11 Air Filter – 4-pack

Sale price$259.95

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WaterFurnace 59P509-04WF 24x28x2 replacement air filter for the following Waterfurnace Geothermal units: 

Envision Series:
Single Speed Vertical Units:
 NDV022, NDV030
Dual Capacity Vertical Units: NDV026

Legend Series:
Vertical Units:

Premier Series:
Vertical Units:
 P019, P022, P028, P034

The Geothermal 59P509-04WF MERV 11 air filter is approximately 24x28x2, the size recommended by WaterFurnace for a proper fit.

The 59P509-04WF is made of 100% synthetic fibers that are needled together and then electro statically charged.  The needled fibers create a dense mat that produces a MERV 11 rating and higher mechanical efficiency at a lower air resistance than other pleated filters. 

The manufacturer suggested replacement interval is 4 to 6 months, depending upon conditions and lifestyle.

Case of four 24x28x2 WaterFurnace Geothermal Filters.

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