Carrier 123324-008 Pre-Filter 326058-757 this specific model is factory-set

this specific model is factory-set for 4" WC Natural Gas

provided the operating pressure stays within the specified range

This system is primarily designed for supply-side ventilation using a direct intake damper

ensuring long-term HVAC system performance and flow control efficiency

Its robust design is built to withstand the thermal stressors found in modern high-efficiency heat exchangers

Carrier 123324-008 Pre-Filter 326058-757 this specific model is factory-setThe Carrier 123324 008 Pre Filter is a critical OEM replacement part designed for high efficiency air handling units and furnace systems. Measuring 16 x 25 x 1 (nominal), this washable aluminum mesh filter serves as the first line of defense in your filtration stack. By capturing large particulate matter such as dust, lint, and debris, it prevents premature loading of expensive primary media filters. For a veteran technician, this means maintaining