25x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack special-order This forms a physical barrier

This forms a physical barrier preventing root damage

Body Filter 95+® fabrics offer industry-leading protection

HLG 650R Commercial Indoor Horticulture LED grow light is designed to replace a double-ended 1000 watt HID lamp

In a Deep Water Culture system

25x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack special-order This forms a physical barrierNordic Pure Custom MERV 8 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