17_1/4x23_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_ps 20 (19-20 mil) virgin styrene

20 (19-20 mil) virgin styrene for a durable

Trimbag Features:

Increases flower node sites and increases yields

The Digilux DX1000DE double-ended HPS lamp combines high efficiency with superior lamp life expectancy

Weight: 4 lbs

17_1/4x23_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_ps 20 (19-20 mil) virgin styreneNordic 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