12x16x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements Model: HB1000
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Description
12x16x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack nutrients and supplements Model: HB1000 Model: HB1000 this model is rated at 120 pints per day at 86°F 80% RH — real world conditions that match what growers actually face