GS1-100 Standard Filter Set | Fits Model GS1-100

What’s Included: 5x FA103 – Polyester Pre-Filter – Merv 11 (1 is needed per complete filter change, but they are packed is sets of 5) 1x FA201C – High-Odor Gas / Carbon Filter A Standard Filter that fits the GS1-100 Model Fumex Air Cleaner(s).