14x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Neem oil The tester has been specifically

The tester has been specifically designed to address the needs of operators in hydroponics

Universal Scissors Sharpener

avoid applying high-phosphorus fertilizers or fungicides at the same time as inoculation

Quantity - Treatment Area - Shipping Method

All three systems include the reservoir

14x16x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Neem oil The tester has been specificallyNordic Pure Custom MERV 13 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