12_3/4x20_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting mosquitoes and other insects without

mosquitoes and other insects without the use of harmful chemicals found in some flea collars and topical applications

or grow fresh herbs right in your kitchen

adjustable duct ports (now up to 10")

A workhorse pump that will power your Evolution RO1000 to 80 psi and is compatible with other 1000-1500 GPD RO systems to boost them up to 150 psi

The dimmer knob allows growers to change the brightness level of both the veg and bloom lights from 0-100% allowing you to obtain perfect growth performance

12_3/4x20_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting mosquitoes and other insects withoutNordic Pure Custom MERV 14 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