12_3/4x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal • The quintessential highly effective

• The quintessential highly effective low environmental impact product

Powder coated steel guards for increased durability and corrosion resistance

then choose your preferred relative humidity (RH) setpoint with the rotary knob

Soak rooting media with mixture prior to placing cuttings

Tappin' Roots provides multiple benefits to plants at any stage of growth

12_3/4x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack X Nutrients Grow Spray 1 Gal • The quintessential highly effectiveNordic 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