16x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixtures Serial# TD42167 and earlier –

Serial# TD42167 and earlier – must use Bodine motor

and plums to prevent gray mold and brown rot

Dakine 420 BASE will maximize your yields

Proven to reduce more noise than any other muffler available

which is dedicated to bringing low-cost hydroponic techniques to developing countries

16x18x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixtures Serial# TD42167 and earlier –Nordic 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