20_1/2x25_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hf It is designed for air-cooling

It is designed for air-cooling and can be used in different forms of heating and ventilation applications

• Fast response multiparameter probe

acidic buffer lowers water and nutrient solution pH

Reduce energy costs by eliminating the need for high bay lighting

seal quality

20_1/2x25_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack spl_hf It is designed for air-coolingNordic Pure Custom MERV 10 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