Check the listing for details. Replacement Carbon Pre-Filter for Honeywell 38002 Series Air Purifiers. Condition: New. Listed at 10.99 USD. Replacement Carbon Pre-Filter for Honeywell 38002 Series Air Purifiers - Direct Replacement – Measured exactly to fit Honeywell 38002 series air purifiers. Filter Measures: 16” x 48” x 0.2”. Compatible with Honeywell 38002, 50250, 17000, HPA100, HPA200, HPA300, HPA250/350, AP1, 40100, 40200 series air purifiers. - 1 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.