Premium Guard PUREFLOW PC4479HX HEPA+Charcoal Cabin Air Filter — Fits Grand Caravan, Town & Country & Frontier (select years)

PUREFLOW PC4479HX is a high-efficiency cabin air filter with HEPA-grade media and activated charcoal designed to trap fine particles and reduce odors inside compatible vehicles.

This Premium Guard PUREFLOW replacement is engineered for drivers who want cleaner air in the cabin without replacing factory fit or function. It fits a range of Chrysler, Dodge and Nissan models and pairs HEPA-grade filtration with a charcoal layer to address both tiny particulates and common traffic-related smells. Installation is straightforward and the filter is sized to match OEM housings so it integrates with your vehicle’s HVAC system.

How does this filter improve in-cabin air quality?

The PUREFLOW PC4479HX uses HEPA-grade media to capture very small airborne particles down to 0.3 microns, while an activated charcoal layer helps adsorb strong odors and gaseous contaminants. Together these layers reduce the number of irritants and smells passing into the cabin without changing your HVAC layout.

• HEPA-grade media targets fine dust, pollen, and other microscopic particles.
• High-grade activated charcoal reduces combustion and traffic odors.
• Multi-layer construction balances filtration efficiency and airflow.
• Designed to fit OEM filter housings for straightforward replacement.

Will this fit my vehicle and how do I confirm fitment?

PUREFLOW lists compatibility with several model years and platforms including Dodge Grand Caravan (2011–2020 3.6L), Chrysler Town & Country (2011–2016 3.6L) and Nissan Frontier (2022–2026 3.8L), plus many additional makes and models. Before purchasing, verify fitment using your vehicle’s make, model, year and engine size or consult the Vehicle Filter Lookup to ensure correct interchange.

• Direct fit for specified Dodge, Chrysler, Nissan models and many others listed by Premium Guard.
• Replaces common aftermarket references such as Carquest 90258P and TYC 800146C.
• Check parts lookup by VIN or vehicle details to confirm compatibility.
• Maintains OEM form factor for easy installation in the existing housing.

How does installation and performance affect my HVAC system?

Installation follows the same steps as most cabin filters — access the glovebox or filter housing, remove the old element, and insert the new PUREFLOW PC4479HX with correct orientation. The HEPA-grade layer may introduce a slight increase in airflow resistance compared with basic paper filters, but it’s designed to work with factory blowers and maintain climate control performance.

• Simple swap-in replacement using the vehicle’s existing filter location.
• Orientation arrows or labels make installation straightforward.
• High-efficiency media may cause minor airflow resistance but remains HVAC-compatible.
• Periodic replacement preserves both cabin air quality and HVAC efficiency.

How long will the filter last and when should I replace it?

Service life depends on driving conditions: heavy traffic, urban pollution, or dusty roads shorten effective life. Inspect the filter every 12 months or per your vehicle manufacturer’s recommendation and replace sooner if you notice reduced airflow, strong odors, or visible contamination on the filter element.

• Typical interval: check annually or follow vehicle manufacturer guidance.
• Replace earlier in high-pollution or dusty environments.
• Visual inspection can reveal trapped particulates and charcoal saturation.
• Regular replacement helps maintain HVAC performance and cabin comfort.

Who is this for: The PUREFLOW PC4479HX is aimed at owners of compatible Dodge, Chrysler and Nissan vehicles who prioritize cleaner cabin air and odor reduction. It’s a good choice for commuters, families, and anyone sensitive to airborne particulates or strong roadside smells who needs a direct-fit aftermarket cabin filter with HEPA-grade performance and activated charcoal polishing.