About This

• 【UPGRADED 25 REPLACEMENT FILTER】The upgraded version fits only the MA Series Air Purifier 25 S1/W1/B1 and features an additional silver ion layer compared to the standard version, directly reacting with tiny particles.
• 【4 IN 1 STAGE】The 4-layer captures 99.97% of air particles as small as 0.3 microns more effectively than the standard 3-layer.
• 【HIGH-EFFICIENCY CORE LAYER】Made with materials commonly used in H13-level systems. Densely pleated design reduces wind resistance and improves airflow while capturing up to 99.97% of airborne particles as small as 0.3 microns.
• 【PREMIUM ACTIVATED CARBON】We promise that our filters use high-quality,odorless activated carbon for enhanced odor absorption in the air.
• 【BUY WITH CONFIDENCE】We offer a lifetime of free service for every customer, aiming to provide the most satisfying purchasing experience.

Overview

• Brand : AosFero
• Material : Activated carbon, Polyester, Special Silver Ion
• Product Dimensions : 9.65"L x 6.77"W x 1.38"Th
• MERV Rating : 16
• Compatible Devices : Air Purifier
• Air Filter Construction : Pleated
• Number of Items : 4
• Manufacturer : AosFero
• Number of Packs : 4
• Product Grade : new