28x28x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions it's best to use it

it's best to use it preventatively or early in the growing season before the nematodes mature

this 160 watt fixture has an efficiency rating of 131 lumens per watt

Can be used with all PotPro Pot’s

A step up from basic coconut coir for all your hydroponic growing

and high quality German glass coated aluminum reflectors

28x28x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions it's best to use itNordic Pure Custom MERV 10 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