17_1/2x17_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Hydroponics This balanced formula creates an

This balanced formula creates an optimal foundation for plant nutrition

a hydroponic system

This fruit picking bag provides the utmost protection for even the most delicate of soft fruits

Replacement part

Maxicrop Liquid Seaweed is excellent for soaking seeds to improve germination rates

17_1/2x17_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Hydroponics This balanced formula creates anNordic 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