16x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Features a CNC machined anodized

Features a CNC machined anodized aluminum frame with a brushed black finish and matching flat-head screws

• Standard: EN 60335-1

Protects Against Common Animal Pests

Use in combination with other Chemboys Nutrient solutions to provide an increase in nutrient uptake

16x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack growing-accessories Features a CNC machined anodizedNordic 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