Pre Filter B Compatible with Honeywell HRF-B1. Fits Air Purifier Model HPA050
universal air filters are where it all started over 30 years.
For use on motorcycles, go-karts, tractors, air compressors, snowmobiles, or anything with a carburetor can benefit from a Uni.
POD style filter.
Straight.
Black.
Urethane flange.