28x34x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack HVAC & HOME VENTILATION COMPATIBLE – Fits perfectly with

COMPATIBLE – Fits perfectly with most 2"

The HP3 Bucker provides triple the production capacity of the HP1

Each attic fan is controlled by an LCD digital controller

the cross bar

28x34x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack HVAC & HOME VENTILATION COMPATIBLE – Fits perfectly withNordic Pure Custom MERV 8 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