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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Air cooling options
Guard ‘n Spray can be diluted for maintenance or preventative treatments at 15 ml of concentrate per gallon
Note beginning reading and then test pH
or the Sprayer can be pulled using the handle and built-in wheels for optimum versatility
22x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Grow Strong Air cooling optionsNordic 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
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