16x28x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting The FX lens is remarkable

The FX lens is remarkable in its ability to get high levels of beneficial light into your eyes comfortably and safely

Swap the standard trim drum for the 150-micron stainless steel mesh drum using our turn-loc system

Integrated double-jacketed design allows lamp to be open rated

If your Ph is getting too high

• Open design for maximum light output

16x28x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting The FX lens is remarkableNordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition