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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
4-hour REI (Restricted Entry Interval) and 0-day PHI (Pre-Harvest Interval)
strong stem and quality bloom
Garden from Frost
combined with increased perlite to provide excellent drainage
Mars Hydro FC3000 LED with 3x3ft Coverage
12_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack environmental-controllers 4-hour REI (Restricted Entry Interval)Nordic 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
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