29x35x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack timers-and-instruments and amplifying aroma and flavour

and amplifying aroma and flavour in all flowering and fruiting plants

• No circling roots

It gives the plant the ability to more readily and efficiently uptake the nutrients

Coverage Area Size: 4x4ft

Nordic Pure 24x24x4 Pleated Air Filters MERV 10 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home

29x35x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack timers-and-instruments and amplifying aroma and flavourNordic 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