Description
Lochinvar & A.O. Smith 100289435 Heavy-Duty Disposable Air Filter
The Lochinvar & A.O. Smith 100289435 is a heavy-duty disposable air filter engineered to deliver dependable filtration performance for residential and light commercial HVAC systems. Designed as a genuine OEM replacement, this filter helps maintain system efficiency, protect heat exchanger surfaces, and improve indoor air quality by capturing airborne dust, debris, and particulates before they reach critical components.
Key Features
- OEM replacement filter from Lochinvar & A.O. Smith
- Nominal dimensions: 1″ x 16″ x 20″
- Heavy-duty (HD) construction for enhanced durability and filtration efficiency
- Disposable design for quick, easy replacement — no cleaning required
- Helps protect system components from dust and debris buildup
- Supports proper airflow and system efficiency
- Suitable for use in compatible Lochinvar and A.O. Smith heating and HVAC equipment
Why Choose an OEM Filter?
Using a genuine Lochinvar & A.O. Smith replacement filter ensures a precise fit and consistent performance. Aftermarket substitutes may not meet the exact dimensional tolerances or filtration standards required by your equipment, potentially voiding warranties or reducing system lifespan. Keep your system running at peak efficiency with the correct OEM part.
Specifications
- SKU: 100289435
- Brand: Lochinvar & A.O. Smith
- Filter Type: Disposable, Heavy-Duty
- Nominal Size: 1″ x 16″ x 20″







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