15_1/2x29x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack pumps-&-irrigation The conditions for optimum performance

The conditions for optimum performance will be between 75-90° F with a relative humidity of around 80%

Size: 18"x10"

Max Coverage: 3*3FT(Personal Flower)

The Starter Kit includes the materials and isntructions to put plants in tissue culture in as little as 20 minutes

Athena PK is a low Nitrogen booster that provides additional Phosphorus and Potassium that high-yielding plants require for maximal production

15_1/2x29x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack pumps-&-irrigation The conditions for optimum performanceNordic Pure Custom MERV 7 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