Manufacturer: Smilyan. Model Info: ‎HRFSC1. Item model number: ‎HRFSC1. Compare to Filter S and Part Numbers HRFSC1, HRFSK1, HRFSP1, HRFSS1. Compatible with Honeywell Air Purifer Models HPA3100, HPA3200, HPA3300, HPA5100, HPA5150, HPA5200, HPA5220, HPA5250, HPA5300…