- Ensure clean, breathable air with the Premium HEPA Filter Replacement for Surround Air Intelli-Pro XJ-3800 Air Purifier. This essential upgrade features an activated carbon layer for enhanced performance. - Capture 99.97% of airborne particles as small as 0.3 microns, protecting you and your loved ones from allergens, dust, and harmful pollutants. - The pre-filter and carbon filter effectively eliminate unpleasant household odors while trapping dust and debris. This combination not only improves air quality but also helps extend the life of the HEPA filter. - With dimensions of 13 x 11 x 1.25 inches, this filter fits perfectly into your Intelli-Pro XJ-3800, ensuring a seamless replacement process. - Optimizing your air purifier's efficiency is simple: replace the filter every 6 months to maintain peak performance and a healthier living environment. - Ideal for homes with pets, smokers, or allergy sufferers, this filter creates a fresher atmosphere by removing contaminants and odors. - Enhance your indoor air quality and create a comfortable space for your family with this reliable HEPA filter replacement, designed specifically to keep your Surround Air Intelli-Pro XJ-3800 working at its best.