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and overall plant vitality with precision-balanced nutrition
The GMC's remote combination probe features a highly accurate dual beam CO2 sensor
We've increase the standard 1150W output to 1200W
white alyssum
The #1 selling filter in gardening and hydroponics for 10+ years
16x18x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Reflectors & Grow Lights and overall plant vitality withNordic 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
