BlueBird Filters Replacement 1 x HEPA Filter & 1 x Wrapping Carbon Pre-Filters for Honeywell 50250-S Part Number 24000 - Compatibility: This filter kit ONLY fits the following Air Purifier Models. Check before ordering. Honeywell 24000 Honeywell 24500 Honeywell 50250 Honeywell F113A Series Honeywell 13350 Honeywell 13501 Honeywell 13502 Honeywell 13503 Honeywell 13520 Honeywell 13523 Honeywell 13525 Honeywell 13526 Honeywell 13528 Honeywell 13350   Sears Kenmore 13501 Sears Kenmore 13520 Sears Kenmore 13528 Sears Kenmore 13350 Sears Kenmore 63500 Sears Kenmore 83162 Sears Kenmore 83259 Sears Kenmore 83287 Sears Kenmore 83332 - Compatible OEM Filter Part Number (P/N): Honeywell 24000 - Disclaimer: This product is an item that is designed to replace the OEM part. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. Built in the USA! Our manufacturing plant is in Ohio where we manufacturer medical grade filtration products. We thank you for supporting our USA small business. Honeywell's current OEM part, the HRF-F1 filter, requires you to purchase three of them and stack them on top of each other. This reduces the filtration surface area. We have designed an original OEM replacement that is a one size fit, reducing your cost along with increase surface are filtration. The carbon wraps from Honeywell require you to cut to size, making a mess on top of the inconvenience. Our carbon wraps are already pre-cut so all you need to do is wrap them around and secure tightly with the provided fasteners.