Aprilaire 501 Media 320819-301 High-grade ball bearings support vertical

High-grade ball bearings support vertical shaft-up or shaft-down orientations while resisting environmental contaminants

Calibration is handled via the adjustment screw located under the conduit cover

Verify the integrity of the silicone pressure tubing for cracks or blockages

Cutting it will destroy the pneumatic action and render the control inoperative

Optimized Airflow Architecture: Maintains the specific blade pitch and diameter needed to maximize heat transfer across the heat exchanger

Aprilaire 501 Media 320819-301 High-grade ball bearings support verticalOptimize your homes indoor air quality with the Aprilaire 501 Media, a high efficiency replacement solution engineered specifically for the Aprilaire Model 5000 electronic air purifier. This MERV 10 air filter acts as the primary defense against microscopic contaminants, offering performance equivalent to MERV 15 filtration or MERV 16 filtration when integrated with the electronic capabilities of your system. With nominal 16x25x6 furnace filter