25x32x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack coco check valve

check valve

HITE COCONUT CARBON FILTER 4

Nutrients are in low concentrations to allow for continuous feeding

These blocks have an excellent water absorption and (re)saturation rate and feature the exclusive Plant Comfort fibre structure which has a lower density of resistance during rooting with no loss of firmness

The kit includes a UV filter w/QC fittings

25x32x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack coco check valveNordic Pure Custom MERV 12 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