8_7/8x33_5/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Gardening Accessories Formulas are sediment free and

Formulas are sediment free and are compatible with all dosing and irrigation systems in including fine dripper heads

Available in 2-

Improve the air quality in your grow room with this Active Air 95-Pint Dehumidifier

ECOMAX is 100% safe for the planet

Exacting N-P-K ratios are calibrated to meet the nutritional requirements of the mother plant

8_7/8x33_5/8x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Gardening Accessories Formulas are sediment free andNordic 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