About this item

• Direct Replacement – Measured exactly to fit Honeywell HRF-A300 / HPA300 series air purifiers. Filter Measures: 14” x 17.2” x 0.13”. Compatible with: HPA300, HRF-A300, Pre-filter A & HRF-AP1 series air purifiers. 
• 4 Pack – Premium Quality Extra Thick Carbon Pre-filters – Breathe Naturally’s carbon pre-filters are not only thicker than leading original equipment manufacturer (OEM) brands, but also cost less. Trap foul odors, dust, dander, pet hair and other airborne particles. 
• Made in the USA - Carbon pre-filters cut and packaged in Minnesota in our commercial facility and clean room - Family owned and operated. 
• 100% Satisfaction Guarantee – We guarantee you will love our carbon pre-filters or your money back. No questions asked. Breathe Easy knowing Breathe Naturally has your back. 
• Resealable Plastic Bag - Keep your carbon filters fresh and clean until you are ready for a change! We recommend changing carbon filters every 1-2 months based on use.