ensuring proper fit and terminal alignment in Nordyne and Nortek units

3 inches outer diameter) of the original factory seal

the 025-27747-016 ensures your equipment maintains factory-level safety standards and combustion integrity

extending the service life of the assembly

Testing with a multimeter should show a reading within 5% of the 40 and 3 MFD ratings

Lennox 48J01 Filter ensuring proper fit and terminalThe Lennox 48J01 Economizer Filter is a heavy duty, 16x25x1 washable aluminum mesh filter designed for Lennox Rooftop Units (RTUs) and commercial air handling systems. Engineered as a direct OEM replacement for 48J0101, this semi permanent filtration solution features 5 ply corrugated aluminum media secured within a rugged, mitered . 030" aluminum frame. Unlike disposable cardboard filters, the Lennox 48J01 is built for high velocity environments,