Description
The Daikin-McQuay 113085509 is a genuine replacement air filter engineered to OEM specifications for compatible Daikin-McQuay commercial HVAC systems. With precise dimensions of 44″ x 23.25″ x 0.88″, this filter is designed to deliver a secure, accurate fit — minimizing bypass air and ensuring consistent filtration performance across the unit’s service life.
Product Overview
Proper air filtration is essential to maintaining indoor air quality, protecting coils and heat exchangers from dust and debris accumulation, and sustaining the overall efficiency of your HVAC system. The 113085509 filter is the factory-specified replacement, making it the trusted choice for preventive maintenance on Daikin-McQuay equipment.
Key Features
- OEM replacement filter for Daikin-McQuay commercial HVAC systems
- Precise dimensions: 44″ x 23.25″ x 0.88″ for accurate, snug fit
- Designed to minimize air bypass and maintain system efficiency
- Helps protect downstream components including coils and heat exchangers
- Supports consistent indoor air quality and system longevity
- Direct factory-spec replacement — no modifications required
Specifications
- Brand: Daikin-McQuay
- Part Number: 113085509
- Filter Dimensions: 44″ x 23.25″ x 0.88″
- Application: Compatible Daikin-McQuay commercial HVAC units
Why Choose OEM Filters?
Using the factory-specified filter ensures your Daikin-McQuay system operates as designed. OEM filters are manufactured to exact tolerances, providing the correct pressure drop, filtration efficiency, and structural integrity required by the equipment manufacturer — helping you avoid warranty issues and premature system wear.







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