3 inches outer diameter) of the original factory seal

offering a seamless fit for technicians performing burner rebuilds or LP conversions on Miller

maintaining the integrity of the orifice diameter

Extensive Compatibility: Works across multiple FocusPRO and PRO series platforms

Lennox 48J01 Filter 3 inches outer diameter) ofThe 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,