12_1/2x23_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack harvest-solution TSL Horti Tech and Grower’s

TSL Horti Tech and Grower’s Choice have joined forces with their

Output Current:                            10A

Leaf Blight

Wattage: 40 Watts

Repeat applications weekly for at least 4 weeks

12_1/2x23_1/2x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack harvest-solution TSL Horti Tech and Grower’sNordic 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