25x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack BVV refill with the proper electrolyte

refill with the proper electrolyte solution to ensure optimum performance

Another approach is to veg and bloom plants only in this block

Root Royale Coco Mats can easily be cut to size to accommodate the shape and number of rockwool slabs or cubes in your grow

Enhances root and crop vigor

Silverleaf whitefly (Bemisia sp)

25x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack BVV refill with the proper electrolyteNordic 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