- Enhanced Indoor Air Quality: The Filterbuy 15.75X27.63X3.5 Air Filter MERV 8 Dust Defense (2-Pack) ensures that your HVAC system is running efficiently and delivers clean, healthy air to your household. The pleated design traps airborne particles, allergens, and pollutants, leading to improved respiratory health and overall wellbeing
- This air filter is designed specifically for use with Aprilaire Space-Gard 104 / Model 2140 systems, meaning it may not work with other HVAC units