Great Lakes Air GTX Refrigerated, Magnetic Mount Dust Control Condenser Filter (Set of 2), RFO-DCF5X2 $448.00 Add to cart Great Lakes Air GTX Refrigerated, Magnetic Mount Dust Control Condenser Filter, RFO-DCF2 $143.00 Add to cart Great Lakes Air GTX Refrigerated, Magnetic Mount Dust Control Condenser Filter, RFO-DCF3 $201.00 Add to cart Great Lakes Air GTX Refrigerated, Magnetic Mount Dust Control Condenser Filter, RFO-DCF4 $245.00 Add to cart