3500 Replacement Filter Compatible with Air Doctor 3000/3500/3500i Air Purifier, 1 High-Efficiency Filter, 2 Activated Carbon/VOC Filters, 4 Pre-Filters, Compare to Part # ADF3001, ADF3002 & ADF3003 — Open-Box, 29% Off

Fully Compatible with Air Doctor AD3500/3500i/3000: This premium 3500 replacement filter set is specially designed for AirDoctor 3500, 3500i, and 3000 air purifiers. Compare to part numbers ADF3001, ADF3002, and ADF3003. *Please confirm your air purifier model before purchasing to ensure compatibility High-Quality Main Efficiency Filter: This 3500 replacement filter features a high-density media design that increases pleat count while maintaining stable airflow, delivering a larger filtration area and higher efficiency. The sturdy plastic frame helps prevent deformation or damage during shipping, storage, and replacement, which could otherwise lead to air leakage Large Granule Activated Carbon: The 3500 filter replacement set uses large granule activated carbon proven through real-world use to deliver more effective odor reduction performance. Compared with smaller activated carbon materials that feature a smoother surface, its dense microporous structure performs more effectively in reducing cooking odors, pet odors, and other unwanted smells Value Pack: Each brand-new 3500 replacement filter set includes 1 high-efficiency main filter, 2 activated carbon filter, and 4 pre-filters. This comprehensive package is designed to meet the replacement needs of AirDoctor 3500/3500i/3000 air purifiers in various usage environments, offering a more cost-effective solution for long-term use 3-Stage Filtration System: The 3500 Replacement Filter features a 3-stage system where the pre-filter, activated carbon filter, and main filter work together to minimize dust and odors, keeping your home’s air fresh and clean

Product Positioning: A highly cost-effective and practical premium replacement filter set for home air purifiers, designed specifically for AirDoctor 3500 / 3000 air purifiers, effectively keeps indoor air clean and fresh.

Compatible Models: Air Doctor 3500 / 3500i / 3000 / 3000M Air Purifiers

Compare to Part #: ADF3001 / ADF3002 / ADF3003

Features:

• Multi-stage filtration system designed to support stable and efficient filtration performance.
• Activated carbon filter uses field-tested large granule activated carbon with a dense microporous structure, which performs better than smooth-surface small granule carbon in reducing cooking odors, pet odors, and other unwanted smells.
• Main efficiency filter uses high-density media and increases pleat count by 15% while maintaining stable airflow, providing a larger filtration area and higher filtration efficiency.
• Easy to install and replace without special tools.
• Suitable for households affected by pet hair, pet odors, dust, vehicle exhaust, wildfire smoke, industrial odors, and cooking fumes, delivering noticeable results.

Package Includes:

• 1 × High-Efficiency Filter
• 2 × Activated Carbon (VOC) Filter
• 4 × Pre-Filters

Replacement Recommendation:

• Replace pre-filters every 2–3 months.
• Replace activated carbon filters every 4–6 months.
• Replace main efficiency filters every 8–12 months, depending on usage and environment.

Disclaimer:

• All brand names and logos are registered trademarks of their respective owners.
• Any use of brand names or model numbers is solely for the purpose of demonstrating compatibility.